Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB+9BvHNN5CFG/F0rO+Frsefu2dmSbPzKkUHCRNADni4XBhjvHS7pFIxXgJ… (1,748 chars)"
  }
}