{
  "manageEntity": {
    "action": "Create",
    "entityId": "1607732228",
    "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": "0x7c380db2ae60b658abfd9ff00d4cd4f69c9d4ce82990465f1e2304da0f55cc12",
    "signature": "0x4932368d4c35cc606d66723e831d6b4c520b19bda0dbbbb4410be5c549be643b767cd5e4b1a3a8a5c43bc8ba53826e1dd2d58dcfde42cdb4130ffc10e09c5c961c",
    "signer": "0x7061D02E53ede9391501fE7cc6aAEAec4059e8df",
    "userId": "618128736"
  }
}