{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0x2950597def3fc835bcfe22b0bc51502b86f51947e49d87aad3b58c2da6256418",
    "signature": "0x13c0cad00679a5f922982ca621dfcb8681791fbd0bdbd20b449d55bafc0bfa310769c2844de9011ef7f0c824899616e4f083024ed67d8f7e8999c17f349d81401b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}