{
  "manageEntity": {
    "action": "Create",
    "entityId": "1837033952",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1837033952,\"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": "0xa29da177855ff825b05cd532278434e20d2fa64e85f40f76bcc1b054a2b90a5b",
    "signature": "0xe49e4d099dd19d29bc87b41f402fd78cc22908c4f259f36ecd88d4d19dcf526a0d486f764f67b635e82b10ba22f0e3cb1c1fc9e19432e5954c8722e0d01f79ed1c",
    "signer": "0xF266A0128D402f3084C1CbDE99a46172AB58EBe7",
    "userId": "838833981"
  }
}