Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBo9rzF/QJDQtQcmuEEA1whvCaGwpjzgrawvADjG/jBpARb7L3z53ZRL6G5… (1,748 chars)"
  }
}