{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68395",
    "entityType": "User",
    "nonce": "0x76127dafbb7fee8cfbd300f57401a71b7f63e4f17beb087f4ebbdd9ea38a4274",
    "signature": "0xd5956943dbc78c09e1d7e18aecdd69307ba797666a869380e86abcebe33a51af38c3d3eb7bc4f51ffea51529011316a54bb7b968f1ee3b85f2427895193207151b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}