{
  "manageEntity": {
    "action": "Create",
    "entityId": "1874732429",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1874732429,\"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": "0x66b35429c2d6acabfa33959690397077ed008bc3e78b7147be615decd8ba2ae0",
    "signature": "0x27d6cfe216350ff7b325c4a51aeb63ec7896063cfc9d6c672b8e74fb57bc4d7927f5da63ddbc4a0249399b036895efd07f7f18342ac0c9e3b7c3d153174278091c",
    "signer": "0xe30d9EF18ACc16728b76ba5E86177099D81D186a",
    "userId": "107533033"
  }
}