Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCCRpQtDI4mhwEG1eM97PZOHz4xy34jGSqC+35x4Lv6TRPT9zW6Y1Ii3W/Z… (844 chars)"
  }
}