{
  "manageEntity": {
    "action": "Create",
    "entityId": "1005258867",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1005258867,\"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": "0xcec29b9aa4219759391131af47bc6d279e25c6998bb1bf68800d2850f6a78583",
    "signature": "0x7faf55d2c7d1a4f50105159fb8f736455c932e02e4f9301cc6b6a353ce9c05313ed6d1c61b9abab9bb2c3709409272d9d6b03903b125faaf9023299add2b88371b",
    "signer": "0x10F9eFF84cB30B2B7ed51c28ee2e13498e18e14E",
    "userId": "841833512"
  }
}