Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEDaVmcj7coPHvXmAsvQ/0h9R9B2Ppb0ZpTILZy7cmAJ1cxkuoGyMg4WGtk… (844 chars)"
  }
}