{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xf13439c4ffa0e828f08dec5c838a621170923becf210868662fe68eb66851689",
    "signature": "0xe06f4d9271482e5561436d979eb279e02ff5220727017637645686d93cffb4bb4643eb3da65053eb6b62eec318f11313cc33aedb3e9e3e90ec3dd941ec0387751c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}