{
  "manageEntity": {
    "action": "Create",
    "entityId": "1655838465",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1655838465,\"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": "0xd5e5f72af988b971da976b791bae0da672f8656c292f7f522fa33d91eb92c111",
    "signature": "0x7869c5bc7be4d4580819c9411dd53953da764b34dd7a81b7f45f131471ac00e3358927fc257b1e397333b4db7f4477eb923ec64fb11b4a5976ed18e1dc3b955c1c",
    "signer": "0x1420466A3Ff3103932d418018ce8C48896631170",
    "userId": "967818253"
  }
}