{
  "manageEntity": {
    "action": "Create",
    "entityId": "1011788672",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1011788672,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"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\":[]}}",
    "nonce": "0xac139916e48163c6258d6203911ae0c7853d5825d17905cd04f6cf4ea08729a5",
    "signature": "0x3b9982ae6185af8400e028dd1957f66e0079a2076e14f79a4ad450054667543a058bea24e39e7c89b2105c3695a6272487f44afe2878eec58e9204c07ca29fe31b",
    "signer": "0xb904172F0B95C0ab98D43c7046A45F21C1a46b0b",
    "userId": "369145976"
  }
}