Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAlxn2jHGkVYDZLImpfEEEf3Zb4JJxVGx3HfUJFc1F0LS4fIM+X5stlC85k… (844 chars)"
  }
}