Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC1BDS/HEjlE8EGNXoHRuSfXEc2Ux9nxzcwngvhGTnLKGl0VNy7tnrtcRjJ… (1,748 chars)"
  }
}