Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDiL+bUaRVn3CrrLkFEDI3lC/+BuDXQRphXV7Tzc0O9w2Mmwg0E+I1BLnh/… (1,748 chars)"
  }
}