Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA2OuSWX9Z3W3SEC+tmCYLMkG2f7MV3JbsyIubmzUc2+nEW/8OhGzDKf+Vm… (844 chars)"
  }
}