{
  "manageEntity": {
    "action": "Create",
    "entityId": "762890048",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"cover_art_cid\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[],\"playlist_image_sizes_multihash\":\"\"}}",
    "nonce": "0xa0133e6ee9193d4fc9415ede8230bf3e4dc0635a925a97994c7a58e1ee27957c",
    "signature": "0xe1b44d37c773753f449dbd2b4d00b0efb87d70d7a83d827d6bfe7d0af1ee320536092639813ce1f0ba2e456cf8b48cd9162b3146c770cf34115f91b1b066c4431c",
    "signer": "0xF4bAf73B4f90bEd4523285853DE3a82Ddc832589",
    "userId": "624702375"
  }
}