Use lombok and correctly return a signingrequest from the database

openapi.yml

@@ -37,6 +37,39 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/HelloResponse"
+  /signing-request/{id}:
+    get:
+      tags:
+        - signing-request
+      summary: Get a signing request
+      operationId: getSigningRequest
+      parameters:
+        - name: id
+          in: path
+          required: true
+          description: The ID of the signing request
+          schema:
+            type: string
+      responses:
+        200:
+          description: "Signing request was found"
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/GetSigningRequestResponse"
+        401:
+          description: "Unauthorized"
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/ErrorResponse"
+        404:
+          description: "Signing request was not found"
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/ErrorResponse"
+
   /token:
     post:
       tags:
@@ -89,6 +122,21 @@ components:
         token:
           type: string
 
+    GetSigningRequestResponse:
+      type: object
+      required:
+        - id
+        - signed
+      properties:
+        id:
+          type: string
+        signingRequestDocumentIds:
+          type: array
+          items:
+            type: string
+        signed:
+          type: boolean
+
     ErrorResponse:
       type: object
       required: