feat: updated SEMessenger metadata

Author: wilhempujar

contracts/messengers/staking-efficiency/use-case-spec.json

@@ -1,12 +1,12 @@
 {
   "useCaseName": "staking-efficiency",
   "symbol": "SE",
-  "ownerUrl": "https://www.stacktical.com",
-  "useCaseDocs": "https://readme.stacktical.com/developer-guide/use-cases-1/staking-efficiency/introduction",
-  "externalAdapterRepo": "https://github.com/Stacktical/staking-efficiency-indexer",
+  "ownerUrl": "https://stacktical.com",
+  "useCaseDocs": "https://readme.stacktical.com/developer-guide",
+  "externalAdapterRepo": "https://github.com/Stacktical/stacktical-dsla-oracle-se",
   "unit": "%",
-  "keywords": ["dpos", "staking", "validator", "delegator"],
-  "timestamp": "2021-07-07T00:00:00+00:00",
+  "keywords": ["blockchain", "cryptocurrency", "staking", "validator", "delegator", "apr"],
+  "timestamp": "2021-04-30T00:00:00+00:00",
   "ipfsData": {
     "serviceName": {
       "name": "Service Name",