{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x80d83fe5b9b2890243bebb1cbcf76f98b7086adb41d73f1170a7950c456e1028",
    "signature": "0xb0a29fe5bfcd2a19e2ed6d836ffe798aa1f8a6236ccb32bc199195223a72046e1ec2dc385b2f1727c7072d4a36344a6ba4a655bc120630e344760e2a48d50c1f1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}