{
  "manageEntity": {
    "action": "Update",
    "entityId": "20541985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x415b1494b9cb4ee0abb0c06595efffca1d13e9dfd1190a2effb85e078491a9db",
    "signature": "0x1db220282f67e0602a04d63af9a22ae7fc7aec883f17f984b4c656c399332e95517f7394c1d19c6668fbaf5f0e790e99a7a205dfc8310e25d15ad18d6e8f0e0c1b",
    "signer": "0xd7D044f4C4FF0BcD9aF09075adb4140384dc0471",
    "userId": "20541985"
  }
}