Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDDU+LB2E1gxTwL13jg/+HacLIGnJuKZCNwcHenrMVgA1pzV25cq1O7+UF7… (844 chars)"
  }
}