Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEl8fu0WM2aJDTmvnYmpbzOF+WkqVQU9zAm6k4p+Jy5Zjd2o4cubaFW1v3M… (844 chars)"
  }
}