{
  "manageEntity": {
    "action": "Create",
    "entityId": "2083183629",
    "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": "0xee97cf9157e1cf6c909ee414efc0e6cfdf082d397f4ce6e7a78cda7d3697d9b8",
    "signature": "0xaa72e2de665367cd7c9015d5656957f3696f0615858961100aa748464d537f5f520d82b788c7d322bc0b5a6a98fb3bd6bac4a163f61111e8ca220e500bf3f8901b",
    "signer": "0xF5e56717e1881F9Ea06420616D1685fA426FaA92",
    "userId": "772122311"
  }
}