{
  "manageEntity": {
    "action": "Update",
    "entityId": "655790469",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqnxaffszeabrlfpb7t4mvv3t3olpxb47hjgqk5nzox5q6wuodweq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1848153756},{\"type\":\"playlist\",\"playlist_id\":1381585353},{\"type\":\"playlist\",\"playlist_id\":747676818},{\"type\":\"playlist\",\"playlist_id\":1779404358}]}}}",
    "nonce": "0xd7236219baf5b9220d2328ae4ea79e61bc842a78fda5d568911989ac69f875da",
    "signature": "0xa699543e3fde2dcef04421d4f552952c13343f3447077c8e84aeac734db4bef90343a1c4d7f5b3a48de9921afb0663a09b9eac1491f2b8d52a82da6f73db51021b",
    "signer": "0x2fff7071097d912DEaB17B33e448D7280cEe0723",
    "userId": "655790469"
  }
}