HI I have also same issue how can be convert into query string to json format
$filter=StatusName eq 'In FIU L1 Review' and WhereIn(WorkflowItemId,57122,57123,57125,57126,57127,57128,57129,57130,57131,57132,57133,57134,57135,57136,57137,57139,57140,57141,57142,57143,57144,57145,57146,57147,57148,57149,57150,57151,57152,57153,57154,57160,57163,57164,57165,57166,57171,57172,57174,57175,57178,57179,57180,57182,57183,57184,57185,57186,57193,57194,57196,57197,57198,57199,57200,57201,57202,57203,57204,57205,57206,57207,57208,57209,57210,57211,57212,57213,57214,57215,57216,57217,57218,57219,57220,57222,57223,57224,57225,57226,57227,57228,57229,57230,57232,57233,57234,57235,57236,57237,57238,57239,57240,57241,57243,57244,57245,57246,57247,57248,57249,57250,57252,57253,57254,57255,57256,57257,57258,57259,57260,57261,57262,57263,57264,57266,57268,57270,57271,57273,57274,57275,57278,57279,57280,57281,57282,57283,57284,57285,57286,57287,57289,57291,57292,57293,57294,57295,57296,57309,57311,57312,57313,57314,57315,57319,57320,57321,57322,57323,57325,57326,57327,57329,57330,57332,57333,57334,57335,57336,57337,57338,57339,57340,57343,57344,57345,57346,57350,57351,57352,57353,57354,57366,57369,57370,57371,57374,57375,57376,57377,57379,57385,57386,57387,57388,57389,57390,57391,57392,57393,57394,57395,58394,58396,58397,58399,58400,58402,58403,58404,58405,58408,58409,58423,58424,58425,58445,58447,58473,58511,58521,58529,58536,58541,58542,58543,58544,58557,58558,58559,58560,58561,58562,58563,58564,58565,58566,58567,58568,58570,58571,58572,58573,58574,58575,58601,58602,58603,58604,58605,58606,58607,58616,58639,58642,58643,58644,58645,58646,58647,58648,58649,58654,58655,58662,58663,58668,58669,58670,58673,58674,58675,58677,58681,58682,58683,58687,58688,58690,58691,58794,58795,58796,58797,58798,58799,58800,58801,58802,58803,58804,58806,58807,58808,58809,58810,58832,58833,58834,58835,58836,58837,58838,58839,58840,58841,58865,58867,58868,58869,58870,58871,58872,58873,58874,58881,58882,58883,58884,58885,58886,58887,58888,58889,58890,58891,58892,58893,58894,58895,58896,58897,58898,58899,58900,58901,58902,58903,58904,58905,58906,58907,58908,58909,58910,58911,58912,58913,58914,58915,58916,58917,58918,58920,58921,58922,58923,58926,58927,58928,58929,58930,58931,58932,58933,58934,58935,58936,58937,58938,58939,58940,58960,58961,58962,58963,58964,58965,58966,58967,58968,58969,58970,58971,58972,58973,58974,58977,58978,58979,58980,58981,58982,58985,58986,58987,58988,58989,58990,58991,58992,58993,58994,58995,58996,58997,58998,58999,59000,59001,59002,59003,59005,59006,59090,59091,59092,59093,59145,59146,59147,59148,59149,59150,59151,59152,59153,59154,59155,59156,59157,59158,59160,59162,59163,59164,59165,59166,59167,59168,59169,59170,59171,59172,59173,59174,59175,59177,59178,59179,59180,59185,59186,59187,59188,59189,59190,59191,59192,59193,59194,59196,59197,59198,59199,59200,59201,59202,59203,59204,59205,59206,59207,59208,59209,59210,59211,59212,59213,59221,59222,59223,59224,59225,59226,59227,59228,59229,59230,59231,59232,59233,59234,59236,59237,59238,59239,59240,59159,60352,60353,60354,60355,60356,60357,60358,60359,60360,60361,60362,60363,60364,60365,60366,60367,60368,60369,60370,60371,60372,60373,60374,60375,60376,60377,60378,60379,60380,60381,60382,60383,60384,60385,60386,60387,60388,60389,60390,60391,60392,60393,60394,60395,60396,60397,60398,60399,60400,60401,60402,60403,60404,60405,60406,60407,60408,60409,60410,60411,60412,60413,60414,60415,60416,60417,60418,60419,60420,60421,60422,60423,60424,60425,60426,60427,60428,60429,60430,60431,60432,60433,60434,60435,60436,60437,60438,60439,60440,60441,60442,60443,60444,60445,60446,60447,60448,60449,60450,60451,60452,60453,60454,60455,60456,60457,60490,60491,60492,60493,60494,60495,60496,60497,60498,60499,60500,60501,60502,59235,62656,62657,62658,62659,62660,62661,62662,62663,62664,62665,62666,62667,62668,62669,62670,62671,62672,62673) and REVIEWOPEN() and WhereIn(WorkflowTypeId,10)&$top=50&$skip=0&$orderby=QueueDate