Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHzd9wSgFdDX5SSWxg7e7JI6PLi2sH3aM+Fju3iXbD2WQwXSyyjs1Z5LFNF… (844 chars)"
  }
}