Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDVD1jjsz7Ym/+TG8egant+FfFH3Fl1F0WWHidscPKYNwXeILpL3N9zm1ZX… (1,748 chars)"
  }
}