Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAzDhD3PPWzkAVjG+dGSy9HJgPCtbO+al0/L5230V5AbUDGJTWrfz5yw0vz… (1,748 chars)"
  }
}