{
  "file": {
    "mime": "@file/plain",
    "data": "NFRCIENvdXJzZXMgQ29sbGVjdGlvbiAyMDIyOg0KaHR0cHM6Ly9tZWdhLm56L2ZvbGRlci9CZ1p3ekpLYiNCQWtlLUdtQWZQYlpGejZDRWJvUnJ3"
  }
}

https://www.base64decoder.io