Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEP/fLHf7HJJxz8JtNDs1Mi9ncml4BgfVv/Bqq3EVX9uTnMOpHQyK5bY6rV… (844 chars)"
  }
}