pub fn build_mobile_push_create_subscription_request(
owner_nsec: String,
platform_key: String,
push_token: String,
apns_topic: Option<String>,
message_author_pubkeys: Vec<String>,
invite_response_pubkeys: Vec<String>,
is_release: bool,
server_url_override: Option<String>,
) -> Option<MobilePushSubscriptionRequest>