{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "427414470",
    "entityType": "User",
    "nonce": "0xb40b85d85a212866a2ebb4d1ebed366efba0592f337ff3a47f1d2335e4f8c6c0",
    "signature": "0xa6baa4df33f9bf933c973cee0d7fc2338c1b692f714aa98a6cfa89e46c4fedcf0cac09bb39200bf54044fb7aaf07a01022f3fad16a18c57e4dec8ee9d83713d41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}