{
  "manageEntity": {
    "action": "Create",
    "entityId": "1038534177",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1038534177,\"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": "0xa95c32952b1735f3c361cfb372ae84e096257f471871b5fa040086e04cca3b9e",
    "signature": "0x2c8f8717f12197ce14d6760d5ba2bc256bb5a5910f616c4e8bd0eabeb271a59e7cace57140b22d76f8314ef2d577cdf266a0e30800a88c3dbfafeed3870f72771b",
    "signer": "0xa054C1f5f50fBCcd1658Cd64C953C4b1f26f56A5",
    "userId": "298949663"
  }
}