{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344158827",
    "entityType": "User",
    "nonce": "0xdac0578e9ac8f4f54e975c9241d2d04e6c71fd7ba810a71a500f7792155cae1e",
    "signature": "0xb82d0af6044c76eb71381ce231f730d615525510a87cf59249ba29b68b735aed584f771503e2534368d8a8d20085b312125c892fe5ea79e84620755c953c80e11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}