Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHsay0Wgb9fp5zBN/TZB+VdKzMX/h82xpFTPTKxndD5sRXIPOr8ZJ+1nI3d… (844 chars)"
  }
}