Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG1R+julEb8wKgMoZYGMyv+yi2Bj5e+ziYe+6SvD4Wf8WFutE1ybU5NPLkj… (844 chars)"
  }
}