{
  "manageEntity": {
    "action": "Create",
    "entityId": "1738443849",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1738443849,\"description\":\"\",\"playlist_name\":\"أبشر ايا مسرى \",\"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\":1776289795,\"metadata_timestamp\":1776289795,\"track_id\":387804221}]}}",
    "nonce": "0x99c44915dc197daba339be8fd6ebabc146070b52e608f11fc27038201c5271fa",
    "signature": "0x0be181df1b525268cf0db2e5534bd7cb67570915c17de70c9fac752e6b7326304c54f4ae78f170cca949932b48a53fe1dedbc60f876a326013730848b62fd09b1b",
    "signer": "0xCDD44A50ce89b0be9809cF5443e4203958811F96",
    "userId": "922866986"
  }
}