Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDReKsLBsh7KzrfeP7wCujkCQHXN2KRP6pEREZSQM7uUXy49sRG/I7aj/JA… (1,748 chars)"
  }
}