{
  "manageEntity": {
    "action": "Create",
    "entityId": "930528661",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":930528661,\"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": "0xed9d4162d301358855a55090825f6686d39c6b5ea687417d36161e50e58a164f",
    "signature": "0xc9fea430ab6d61f10d08b1044cc57711e2fe51c56620bb09fb70f8833e5b258760a1caf441a2fe0465533d15a18ddcdad05083d0e0bebf6fda60e1af44eb67cf1b",
    "signer": "0xe9cb8c9F4208f7E4C2Db5DB00b171BcC3Dc8af97",
    "userId": "159391940"
  }
}