Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKSsL4GjinXZq+Jnn+R0kgMa0v9HdCU6BlCvNdP5RbhAT0WbCpp9/3FEp5r… (844 chars)"
  }
}