{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456024309",
    "entityType": "User",
    "nonce": "0xdae5ce28832a269472c1868c066d0d2ae2fc73ded95da69bd0c49a55cd4ce85e",
    "signature": "0xdfc5b3ec270d385a7da5e03f1ffa43a443fc2ef9a1c5a6b111e72912c99cf7bd58da2f171ad8bcbce058d2771f4595f9a8de4bfeb44b7ae211b658a63c1d108f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}