Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCuK8nPC2G8NqIBy/aKiLm+8qiq/X7Pqw/MgU3cVGWFx3LGvcNEdZXkyYHQ… (844 chars)"
  }
}