User Data Request
data class UserDataRequest(val id: String, val name: String? = null, val phone: String? = null, val email: String? = null, val mixpanelDistinctId: String? = null, val amplitudeDeviceId: String? = null, val posthogDistinctId: String? = null, val userCreatedAt: String? = null, val isFirstTimeUser: Boolean? = null)
User data model for API requests