Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAC7qT68s8+Nq+wsfcFNkJhm75cowMXYtr0nnf64LwGclmjZ5znpBSK6Qwr… (1,748 chars)"
  }
}