{
  "manageEntity": {
    "action": "Update",
    "entityId": "629434624",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x62e18a090b861dd4f4a5d523ba2d9c9495bf0317aab51ab8012fec24716b0d61",
    "signature": "0x46e9f1f20d13d1d853a7141b12e7f354fec0b1695260db5b088501535e1bb2991af325c436c11b2630e15200bf53f42ed842344d3db056d739be89c0be89ee771b",
    "signer": "0x2D2c4824112cBA062dCC64E54539fc9E1FbB47B9",
    "userId": "629434624"
  }
}