{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3cce4c8be86e6e7d381e74be954b324f512b494baeba7840c769ebb00e12b268",
    "signature": "0x6dd300681d393d79adecc3867f1fd1058ce7879aeefe378dbd49d9f08c26117943fea1a6d28973417c4cdbc498b1b7e42ba348ec4b7d26c76a90e76b847f36251b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}