{
  "manageEntity": {
    "action": "Create",
    "entityId": "191476934",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"is_private\":false,\"playlist_contents\":[{\"timestamp\":1791765483,\"track_id\":133787653}],\"playlist_name\":\"New Playlist\"}}",
    "nonce": "1791765484149105697",
    "signature": "0xe142cc6998eb4300133bc5a4219d8aa3bceb2d9aa22102f63c8f64c9a787c96409a7d40a0d43b7a2ba01ac81174204ae9a14f70dd224b4decfaae6f08cccd5221b",
    "signer": "0xD3b1e0c9fc8Abc4702456e9BD2eE77b0E3841C0f",
    "userId": "718179379"
  }
}