Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEhg/nGVmv2JQiOJ9utI3FJcqsqUXdwp70KAKx0giKzCmAatdVz/N/qb7sj… (844 chars)"
  }
}