Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAMDiZN7jdhx44EcEKVkDdmTg6DhKRrtKRBXbrwL8YHWUXdx4o5FllgPr4K… (844 chars)"
  }
}