Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAF/92cot5OMgiIDDZ/b8Y2U0Zt7AgZYSrpnLCCsNKwc3hiY2OU2PbvXBZa… (1,748 chars)"
  }
}