Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCiPWTE4mUbzgjZDqQxl1oFudLzCu5lC6wLVGfPgN5CWixck7BpVAuJtH1p… (1,748 chars)"
  }
}