{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141505",
    "entityType": "User",
    "nonce": "0x4e4b47c5efb394549bfad403102633b42edb965a4f2e7b4b2bdeff966b081c52",
    "signature": "0xc6949068870509288bb964424453178f1e14d70e8a8cac5927ab0c401ce7b8ba3c3af1d8c287172c7fffc28b11c020cd9854e05642a216219781af639f00ffc11c",
    "signer": "0x14E9E2DE68f02AA0cD2B7566Dd9B7A0993b2D124",
    "userId": "832018853"
  }
}