Payload.fromJson constructor
Read this payload from a decoded JSON object.
Implementation
factory Payload.fromJson(Map<String, dynamic> json) => Payload(
code: json['code'] as String,
message: json['message'] as String?,
retryable: json['retryable'] as bool,
retryAfter: json['retryAfter'] as String?,
details: json['details'] as Map<String, dynamic>?,
);