{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1831424",
    "entityType": "User",
    "nonce": "0x49e11390a30f8e882c210f2e7bd86792f54f3497d1c10107d1eea51a1c13b438",
    "signature": "0xf4e58bbc963e3cedd5c10a12d813673c33241af443cc1d7a3c29649556b9cfff40301e547efbb3d0d1cdd1a5ea53df65730068cf9af8e74f84532ce11ecfd8b91c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}