Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBN6nMMdGlzhbXNjh83bxP1rcEt2YwXSHpCkjx4e0FJAGz7iUzCjVRDt2Y9… (1,748 chars)"
  }
}