Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBrSoG+0+Sfj6qmiRXntnS8Qh/l5DD1+r8vmN3FSl7/6zpRWJy/Y81vR8QW… (1,748 chars)"
  }
}