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Human readable representation:

MessageType: CAM  Version: 2 (Cam2018) - Cooperative Awareness Message
StationId: 1621869785 - 0x60abc4d9
GenerationDeltaTime: 38.306 sec
CamParameters:
   BasicContainer:
      StationType: 5 - Passenger car
      ReferencePosition:
         Latitude/Longitude: 49.159774,16.599639
         Altitude: 0.00 m, conf 0.01 m
         PosConfEllipse: Not available
   HighFrequencyContainer:
         Heading: 92.4 deg,  Confidence: 12.7
         Speed: 18.34 m/s,  Confidence: 1.27,  Direction: UNAVAILABLE
         Curvature: Unavailable,  CalcMode: UNAVAILABLE

ASN.1 parse tree:

value CamPdu ::= {
  header {
    protocolVersion version2,
    messageID cam,
    stationID 1621869785
  },
  cam {
    generationDeltaTime 38306,
    camParameters {
      basicContainer {
        stationType passengerCar,
        referencePosition {
          latitude 491597735,
          longitude 165996392,
          positionConfidenceEllipse {
            semiMajorConfidence unavailable,
            semiMinorConfidence unavailable,
            semiMajorOrientation unavailable
          },
          altitude {
            altitudeValue referenceEllipsoidSurface,
            altitudeConfidence alt-000-01
          }
        }
      },
      highFrequencyContainer basicVehicleContainerHighFrequency : {
        heading {
          headingValue 924,
          headingConfidence unavailable
        },
        speed {
          speedValue 1834,
          speedConfidence unavailable
        },
        driveDirection unavailable,
        vehicleLength {
          vehicleLengthValue unavailable,
          vehicleLengthConfidenceIndication unavailable
        },
        vehicleWidth unavailable,
        longitudinalAcceleration {
          longitudinalAccelerationValue unavailable,
          longitudinalAccelerationConfidence unavailable
        },
        curvature {
          curvatureValue unavailable,
          curvatureConfidence unavailable
        },
        curvatureCalculationMode unavailable,
        yawRate {
          yawRateValue unavailable,
          yawRateConfidence unavailable
        }
      }
    }
  }
}