Update TransactionController README (#8526)

app/scripts/controllers/transactions/README.md

@@ -40,25 +40,25 @@ txMeta = {
     "gas": "0x7b0c",
     "nonce": "0x0"
   },
-  "history": [{ //debug
+  "history": [
-            "id": 2828415030114568,
+    { // debug information
-            "time": 1524094064821,
+      "id": 2828415030114568,
-            "status": "unapproved",
+      "time": 1524094064821,
-            "metamaskNetworkId": "1524091532133",
+      "status": "unapproved",
-            "loadingDefaults": true,
+      "metamaskNetworkId": "1524091532133",
-            "txParams": {
+      "loadingDefaults": true,
-              "from": "0x8acce2391c0d510a6c5e5d8f819a678f79b7e675",
+      "txParams": {
-              "to": "0x8acce2391c0d510a6c5e5d8f819a678f79b7e675",
+        "from": "0x8acce2391c0d510a6c5e5d8f819a678f79b7e675",
-              "value": "0x0"
+        "to": "0x8acce2391c0d510a6c5e5d8f819a678f79b7e675",
-            }
+        "value": "0x0"
-          },
+      }
-          [
+    },
-            {
+    [{
-              "op": "add",
+      "op": "add",
-              "path": "/txParams/gasPrice",
+      "path": "/txParams/gasPrice",
-              "value": "0x3b9aca00"
+      "value": "0x3b9aca00"
-            },
+    }]
-            ...], // I've removed most of history for this
+  ], // I've removed most of history for this
   "origin": "MetaMask", //debug
   "nonceDetails": {
     "params": {