Initializer
init(issuer:subject:audience:issuedAt:expires:authTime:userID:email:emailVerified:phoneNumber:name:picture:firebase:)
init(issuer: IssuerClaim, subject: SubjectClaim, audience: AudienceClaim, issuedAt: IssuedAtClaim, expires: ExpirationClaim, authTime: Date? = nil, userID: String, email: String? = nil, emailVerified: Bool? = nil, phoneNumber: String? = nil, name: String? = nil, picture: String? = nil, firebase: FirebaseAuthIdentityToken.Firebase? = nil)