Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHRVm5MxFk9WoJJ13M+XCL6QVGTjHSIU+BIe87rlLb6EFMqxi23QIZFiazg… (844 chars)"
  }
}