Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+z6ZrQ1/gKDCcyH8A91vnSQsx+l9oYVCLPEI5UNZ3PzI3bCTfGwVWoKd+… (844 chars)"
  }
}