{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x161043ff88041ea2922c37d34af3bda7a7c7fda209d8907dadb055be6f6e5b72",
    "signature": "0x9e703b8b8c45f449055cae9d1388c82bf8a4e004cdd34e0be3a9ad260b400f1a071a10ce4559b67b50c4dba76e059cfa68304da6318e7414a883b53af173e92b1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}