{
  "manageEntity": {
    "action": "Create",
    "entityId": "825420101",
    "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": "0x787d320ced1d4ce9f44dad8ef1a2701d9972ffad860dd3ac8037d580aed24928",
    "signature": "0x7cd54cba0e680f39a221b5e0ad1b417c50c74a4a1055b25e0d953ccf3a5b14523004145d8a88694dc1e744039b029cd66d2ea5a1b76e2908958ba124ff4829fb1c",
    "signer": "0x8668ce46f32b65CD42EE775595B7778742C09034",
    "userId": "244647423"
  }
}