Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAiZVb9QIInhnLuS/0h/n9cxBlO+3YB+eOL0sI2Ptf1PChUQYjF6XFgeFLp… (844 chars)"
  }
}