Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGqTsX2a2kqjzfuzhi/jQ4uwhNMzKWBWL5T5+lSMH+KoWiBOAjZo2HmmhOC… (844 chars)"
  }
}