Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Email' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Reason' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Signature' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Payload' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Sha' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.