Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG1W0j1llf07TQWH4Z9BnEhz/RO/y/x0B4jBUibcfeuP2PlSU8b7U2lPWfF… (844 chars)"
  }
}