{
  "manageEntity": {
    "action": "Update",
    "entityId": "508307433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x959dc6377061c129d2c9e51d1c8a63c2a456f636d98ff6ac079526f59e4f8dbc",
    "signature": "0xf6846b3ce58341eb6a646902d17abdce14eefd37ecf155a57b3501ba81a275d063ee1c9f869bf5b3667a76221b0a8505607291198bac7a04c4de1fa797c9dceb1c",
    "signer": "0x02aB27E032095c55Cc0aB50950Fc3460d0Ee5B1E",
    "userId": "508307433"
  }
}