Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDNBSuDhjVWmVYDdlmp8cS61ejoT2xkvAm2Oq6ebBn8xS3lE0KIvr4IuLi9… (844 chars)"
  }
}