Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGTN3ak/oTrqaw7gVgw+pRdkoLyoMb8vdWRBf/aNtMj4Co5i19NXF01S0Eo… (844 chars)"
  }
}