Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQHtK5Ns1doUh+LUfMfFEUyjdW3bE4pkJVDhHx33kJs9ZAv3xyIENpGX9J4M… (1,748 chars)"
  }
}