{
  "manageEntity": {
    "action": "Update",
    "entityId": "835111870",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5a29bba42bfc9dadf8797e672ce759588a8f196dbc4213513ecefad0f9ddeeae",
    "signature": "0xf376e07f9940b2929d5bb3b4fb9278cff39dcb5ee625f1be37d47e44ffd61bf44e0cb5caadf07bda32e25fce92bce8441d224d4b5e0286fec4f4c1506773b4431b",
    "signer": "0x004B5417Dc7a97C6e4fC91824604df56Ed56C52C",
    "userId": "835111870"
  }
}