Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZNlzvbRNDXdo7Fq/KeQmFWXg3Bi1egyiG9gRosMIoXn5Ct8AoNlPmrGz3… (844 chars)"
  }
}