Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBzJXy/q9QTohFXXKaYlcTIAQNcNiT4RKwPDpLVxqKPjmMhmY5zbT+tebxY… (844 chars)"
  }
}