{
  "manageEntity": {
    "action": "Create",
    "entityId": "1995429427",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1995429427,\"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": "0xed2d7c396373407ef850c4a32074a73bd13b7be69d63e8ff6b632f62e01cc147",
    "signature": "0xfcddfbed7dd965521b7e4a35c170797b2b8da30e11f147c2696116c8fecb53eb590c4e107b9ed124e73d4f696e5da46e9274ad2395064a101e86ca87c5459ffd1b",
    "signer": "0x171d9911EacD4a62b48eD675a399F46176173286",
    "userId": "149059523"
  }
}