{
  "manageEntity": {
    "action": "Create",
    "entityId": "540063991",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":540063991,\"description\":\"\",\"playlist_name\":\"ما رضينا انحناءات\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1776453418,\"metadata_timestamp\":1776453418,\"track_id\":445120}]}}",
    "nonce": "0x835e0ce4b46c0ec4a9f0b835f21d1c59b4f1e2266308834a52a8537a70a12a5a",
    "signature": "0x449076778313fdbe7493d5ff1f9ee1ce0791f76df65e0f998d7c49a5fcd8a3af70f8dd8d334ae18acb309233d5e2d5dc6e359c9c086224b8bc9607e0d13db4601b",
    "signer": "0x1b513d1CEC87a02F341c8bF5963646F819F53c9f",
    "userId": "220272328"
  }
}