Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAtUdwsVyUgI/6V/eS+pUOq/QULoE/vkqP2gYgx2vHJEgNOi0da5RTZCCf4… (844 chars)"
  }
}