Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDlREvjJ/vx4mxcqju5AcQCpG6PIv2pQexU9QfC/eDMUyp/b3FV/Pzqq4u8… (1,748 chars)"
  }
}