Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAn1+Q9hYwDmgTCRUaDh2Yzf6t1b4V0/9PPTn/o1PWhhQIl6Z/M9Cq6SlVd… (844 chars)"
  }
}