{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99571",
    "entityType": "User",
    "nonce": "0xe6ea5c986c490cf3109c30c44ec0de2a7be74200d5b1a8c568d984f5769cd126",
    "signature": "0x5f6545e19d67d1db43e7d496aad7a783247f7683bca68e5beb3f67442e0c261f3adfde9912c19bb09be8c508fd9254a0e682c713e65ccab02d9a9c5151b4f7891b",
    "signer": "0x49368dB15B9A78dF090195AD4338818bfA70C88A",
    "userId": "381576190"
  }
}