Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBR9CDgCRxPUdi/h5fHJeQax9JQvYx9R3pWKprHJq9GkWiQ+WgVcmA2XS93… (844 chars)"
  }
}