diff --git a/__tests__/config/jest.setup.ts b/__tests__/config/jest.setup.ts
index a0603619b..aa784e2bd 100644
--- a/__tests__/config/jest.setup.ts
+++ b/__tests__/config/jest.setup.ts
@@ -9,27 +9,51 @@ import 'isomorphic-fetch';
 /* eslint-disable no-console */
 import { register } from 'fetch-intercept';
 
+const util = require('util');
+
 jest.setTimeout(50 * 60 * 1000);
 
+const combiner: object[] = [];
+
 if (process.env.DEBUG === 'true') {
   register({
     request(url, config) {
-      console.log('[fetch.request]', [url, config]);
+      const body = JSON.parse(config.body);
+      combiner.push({
+        request: {
+          url,
+          method: config.method,
+          body,
+        },
+      });
       return [url, config];
     },
 
     requestError(error) {
-      console.log('[fetch.requestError]', error);
+      const match: any = combiner.find((it: any) => typeof it.result === 'undefined');
+      match.result = error;
+      console.log('[fetch.requestError]', match);
       return Promise.reject(error);
     },
 
     response(response) {
-      console.log('[fetch.response]', response);
+      const cloned = response.clone();
+      cloned.json().then(({ result }) => {
+        const match: any = combiner.find((it: any) => typeof it.result === 'undefined');
+        if (match && 'request' in match) {
+          match.result = result;
+          console.log(util.inspect(match, false, null, true /* enable colors */));
+        } else {
+          console.log(result);
+        }
+      });
       return response;
     },
 
     responseError(error) {
-      console.log('[fetch.responseError]', error);
+      const match: any = combiner.find((it: any) => typeof it.result === 'undefined');
+      match.result = error;
+      console.log('[fetch.responseError]', match);
       return Promise.reject(error);
     },
   });
diff --git a/src/channel/rpc_0_6.ts b/src/channel/rpc_0_6.ts
index 012166b0b..d2b87e82b 100644
--- a/src/channel/rpc_0_6.ts
+++ b/src/channel/rpc_0_6.ts
@@ -101,7 +101,8 @@ export class RpcChannel {
     if (rpcError) {
       const { code, message, data } = rpcError;
       throw new LibraryError(
-        `RPC: ${method} with params ${stringify(params)}\n ${code}: ${message}: ${stringify(data)}`
+        `RPC: ${method} with params ${stringify(params, null, 2)}\n 
+        ${code}: ${message}: ${stringify(data)}`
       );
     }
     if (otherError instanceof LibraryError) {