{
  "manageEntity": {
    "action": "Update",
    "entityId": "594729949",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2c608a0bf2b01eb79bfd867822e4e28cad722a72e0ed27f1d9e58f45c58ec7ed",
    "signature": "0x2432cf14c09a362fc4fd0258eb5f524f97b8bc8c528f84a57dc766e9fe32ddc40efd931f9816abd85d18354ee6ee7623550ec730e5cc727551c844d4a7e886381c",
    "signer": "0xa035A9ed82a575E29DdA903Eb410Ee4C11Ceb263",
    "userId": "594729949"
  }
}