Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFFPDc5KHI1X8NN5dRLLF5NU6oDPcO8DAwQU+RIMGjkt0OQ30o+UyXdoU9f… (844 chars)"
  }
}