Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDpR9zxppdVcQB6g4lWqC0Fnu88w/+XfjhyL9vA6OCiFEWcNL1v3k3Cmpbw… (1,748 chars)"
  }
}