{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x63929b8bb35fe5aefedea8d1f78f91e1846fc6784985167cda328f00e69bfa8f",
    "signature": "0xf85dd1297b02cc046631e94559f4e1b6aea1a2bce91f0a8a42e54ca6a8ff244d6b91b99e2554491c173251cbd70e46fb9c59a5af0757b944056317f6d00884d21b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}