Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCGSWONbGuPqfvWLapoNS5NRyNt8vRk+Inkbm9bQPK1A3c+BP87I8Bv7ok8… (1,748 chars)"
  }
}