{
  "manageEntity": {
    "action": "Create",
    "entityId": "1188373640",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1188373640,\"description\":\"\",\"playlist_name\":\"سلو الأحزاب\",\"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\":1779197898,\"metadata_timestamp\":1779197898,\"track_id\":928595310}]}}",
    "nonce": "0x5eb9982c5d14a1544d77ee0fe0d3c0760a484a2717593b73b304c79b9442f26a",
    "signature": "0x4d04a97197fa3d2214275c114e83e3a838341e948670437e19a560c295b507fb1c20427f17d560b8c84ecce042e65c7b4e7f069fbc0fdf2750d45e446fccd6e71c",
    "signer": "0x167147d06109395bea40bA759BE04aFaCf3C95be",
    "userId": "678460094"
  }
}