Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDPTRWhRN91cC/F9HLb7VordSzLFixJGXJzBX3pDVPw6BVm/N4Hbt7m3Zvr… (1,748 chars)"
  }
}