{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192364",
    "entityType": "User",
    "nonce": "0xdd6adf6998bf44b3ca463d5cfdb91410f19797ea0adaa9c1ebb5c4825cb5c592",
    "signature": "0x92141174ff3ae82f9c1717fc3fc0355d824784fea546a46300904a7b99049ca3540ab37e06bd28c8f7e4b744642610047f568be57b923b990b3b138da902e1881c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}