{
  "manageEntity": {
    "action": "Create",
    "entityId": "516584743",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":516584743,\"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": "0x6d427f5dd0c7468a994b0f0b385bb55e9d578163b0c24dde712ca9ece1a0257e",
    "signature": "0x34507da8f739ae42da6beee3c3898dc762b4659701ea11c21f5002246a13532d1ffeafc99d6484d9e4fa9f82dd0328a8ee14bce2fc298f730f726c87fb9920541b",
    "signer": "0x542da10885D0Fa8a6Ea722C03Bf5B40bCcdBAc05",
    "userId": "792292100"
  }
}