{
  "manageEntity": {
    "action": "Create",
    "entityId": "1727950747",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1727950747,\"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": "0xe16470797ddfd2004fbfec71093f876cb09b1323319a8ce885bd5024e01f6a60",
    "signature": "0x6f0ed00a429973b8d66c8601b89bbf09df251b2fb4c5b83f67c0167f471f40327b78e982715f7d2a314748c14a92cd4538577da43170516cc4d642df66e6814f1b",
    "signer": "0x23bac2e37482b3fdF36374785BCA7CfC00EbDEd4",
    "userId": "162699844"
  }
}