Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDEm5xT0zNe0PnZLPWD3Gr2J3n/ZSpVUpjdeVhifv7CVmRV1UJyp3uKe1bX… (844 chars)"
  }
}