created call api in 2 steps

src/main/java/net/gepafin/tendermanagement/entities/CallEntity.java

@@ -52,10 +52,10 @@ public class CallEntity extends BaseEntity {
     private String submissionMethod;
 
     @Column(name = "THRESHOLD", nullable = false)
-    private Integer threshold;
+    private Long threshold;
 
     @Column(name="DOCUMENTATION_REQUESTED",columnDefinition = "TEXT")
-    private String documentation_requested;
+    private String documentationRequested;
 
     @Column(name = "PRIORITY_AREA", columnDefinition = "TEXT")
     private String priorityArea;