Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFMfzG4Mp/OjjH4jHGDYwvGYqwU+G4m7Uv8t/4AdYyd8mQRQmx1301e3UEK… (844 chars)"
  }
}