Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGr/9C/nDr1aNP0GOV0jMJPuOY4t26tMJFLcbJQuNcv7h6zowfB1sg3BuOT… (844 chars)"
  }
}