{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306719",
    "entityType": "User",
    "nonce": "0x47d3c5478a9e839c3de290da0ae57da3376c1c301a84995e1236a7dc1296f1fc",
    "signature": "0x9b905dc0b9e4d9de65ef7748e58cd689f6119a18bfb370fc1819c0215ed8632b0877e1e7212e64cde71ac970bf9dd83a3b86828364be5a965e6d3fa4d1be85731b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}