{
  "manageEntity": {
    "action": "Update",
    "entityId": "635245416",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc054cae450a27dbf54ee6363f904637b6814e81f70c73b00e3016f7f5d9f6f45",
    "signature": "0x9c82bd2854df9e30e496de6cbcc5ce78addd5984e9b3d797613999b99faedd087ac6b8db7cac369d817c40d22e04d1103252855bfd85443bb8853aeb879612ba1c",
    "signer": "0x6b8CBA667a1288Caa4Eb2f1ABF8e68cBDf4af260",
    "userId": "635245416"
  }
}