{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x4304063f85df44e4d70e847944ecfa35ee0e39bbb11735d2a28e8d8fd91aef05",
    "signature": "0x9a1c1b3d85525d81b65d57d769b31153bea82b5c3e552c7ff8c8ecc85c0022623362fdc447304e9b7c75b517d377c1f7918365355ff2b269a5a314a8162256aa1b",
    "signer": "0xe56da5Fb5AAF30449E9e91827cc7A25B4EA876C0",
    "userId": "399987850"
  }
}