Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFaGrq9bCOvi+SPeB7Wt7CgsmNqcYzWfyCkJP7n1Q0ADwkJTVzmYnpMM8nw… (844 chars)"
  }
}