{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xa109916ae3c08f07fc093caa4a062d69548310cb1698458b0faa0453efd9c87b",
    "signature": "0x8fc1303dfd8b2b74a222c7296fcc4a6b1a7ad50b460c987da0339cfff26d158341edd913d37fbf2f39fdc2b274ba25f1e707d1f1116950afee93059b8bc5af3b1c",
    "signer": "0x687Ca5f210a68254CCF5A7F00296C1842f754841",
    "userId": "973001710"
  }
}