Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG3Qk7Yo0Yx+vw8wLwj4gITfy2MwXr0shSqc8YCrl34JW/7pBFVTuZ9l7gb… (844 chars)"
  }
}