Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDDyXzFYKRxW0Cq3n7sWpusnvDBHVWFgthvO+RZVgGRVSmwkJWiDqW7/zfa… (844 chars)"
  }
}