{
  "manageEntity": {
    "action": "Create",
    "entityId": "1884054039",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1884054039,\"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": "0xa43edbbd2046e116dee36213eb2368fa3473889450005663a4b6f02dfbcafd64",
    "signature": "0x0ce666630384c8121193933ce43e1a6ac8fda892fa5e16f1e4d8555b32244d324ebe34c84a1740c9ceabd719a2e9a1d929ab62842a1112d4b9910c4e573425101b",
    "signer": "0xa64d8Af17F5299B0dEA777B9231c9C5810162c32",
    "userId": "560950275"
  }
}