Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB8/gKB/EjhA3hZ9LGLh9PmEVGJps1T9HLqSki6jnU6FHpTMQE1foek+uDi… (844 chars)"
  }
}