{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114524",
    "entityType": "User",
    "nonce": "0x4da987da34b106db4dcc97cb2e61b5a687aed5e5f7da52f19867665d085c082b",
    "signature": "0x7ff8b5ac1ac4418807f822181690f42262e0f278ecfdbb5311eb4fdce78c2f5b29b9de14f39118cfef51069567e5c815edf80007a356fc4a2d8ce3a421ba47271b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}