{
  "manageEntity": {
    "action": "Create",
    "entityId": "1056299640",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1056299640,\"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": "0x0319d95d4023d1df9fdd226517532bb906ac9ab9e5fe31376244409c34b3dffc",
    "signature": "0x803e084b9c537895e2e652f7f67b23ef286b7951e30cb4c9ccaf855f59173ad1210d3d60fc1abd73bea21eda0f84edc166c1ebd905c254d13695714ba0206d2a1c",
    "signer": "0xcbB10338Bd27D90284f9690bf10E523b1390FcDb",
    "userId": "414663508"
  }
}