Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFyv+IsqGH5V6N48Jr7NsD8FjH+oMWQ6LCBK86n2rBEA3m4X0bnHWkPgzr9… (844 chars)"
  }
}