Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDCRbLHjcsqgWzuQCiDUMIEy+vfVxUvXGNh/neweGrYL3m9TfeXvN8HfiCJ… (844 chars)"
  }
}