{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "652817239",
    "entityType": "User",
    "nonce": "0x3a71d501aea5a231e67b62316dc95f50834eb7f969cf83c7feb0672b005ce7f7",
    "signature": "0xf1c10f2280ffcefcf368a56767ff542a749c08018afa783dde43dbc4871f3c841e81137b328028e46780718385f055d6ad174a865306ba1eec8d8d69bf7c558a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}