{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x723bc1a0b979fad4ee3bbdfb67a5593a4005b4fe45fa8eda205d8888683c3142",
    "signature": "0x40bed8cb4ceacb5ee4d6ff20494b5de274e96f2956f3e2e92cdde96106714d6f7488918b06725a9581e935de16ccba5e5c0b8a76c2f8fef507a7a2585508af631b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}