Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGZ7oNSU1eFWD6Zy5NNoBY2XqSrFuq3ap7qvXIl8O1IUhr+T2tdzA97GPWf… (844 chars)"
  }
}