{
  "manageEntity": {
    "action": "Update",
    "entityId": "241582025",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_contents\":[{\"timestamp\":1792376249,\"track_id\":1146976945},{\"timestamp\":1792376249,\"track_id\":1738730392}]}}",
    "nonce": "1792376249312913802",
    "signature": "0xedc931790214f8e3de72f745c788ac081cd9031768b0b5e42bbe59f8dc017df421186235dd796c7a37fdb4564dc5ca9c21ed51fd7ef2aefdd118521b13555f211c",
    "signer": "0x922cb2AE695da9f7Dd0e556954c23eeeb8bfFe0E",
    "userId": "392144053"
  }
}