{
  "manageEntity": {
    "action": "Create",
    "entityId": "180763468",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":180763468,\"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": "0xa557138f9940d48c539624b70da22944222e8d955ffdf9876920de32343af7f6",
    "signature": "0xd5341971ee0db6b023d952ee32fb6248d4da78292aed549b195470dcd240406a41023bbbcabf939ba366bb0de8a0fac79932a9bc856178964b4913be5b6e17631c",
    "signer": "0xDD3Cb841c7f19ec5581F8E2b14d6f7a58B92d0F7",
    "userId": "582464754"
  }
}