Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHciBpT+5F40qKBPT+kiDZUQ1RX9h3EXWrS/Vlx3nfY1U09+k2J7cFTuRol… (844 chars)"
  }
}