{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd5c5dac5e79f74435e91496362d8015c7a4a05d41a1d85a64d617c8b0b7d0554",
    "signature": "0x06c851eb73749a68e5490afb829ee43da573740927142c93e1ab1884d56057d5798f82f807bd1fa9d543672538a7e2780ebb22176c66e65e3b3323b034584f4d1c",
    "signer": "0x998fF7c4C897e8C4f947365B22944d04e4274229",
    "userId": "935724064"
  }
}