Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH0kMS0Qbg/F5HTldB2hDHf71Mqr/+lSCFF0pAcG3xsgiVeEYq5wLz8hHM8… (844 chars)"
  }
}