{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x2cfd8af978d97ed05df0af7321058430f937de852cd2efc2074cd2cf83c115b8",
    "signature": "0x7e65d186807396f55a697bc87686f52dd0e02c1504664556f81d4a4137cd2db008b1e296cd0fc808a8a96e32473e22cce6ccf01f47724cb1fdbb5c84d23703671b",
    "signer": "0x4E802f7193313C8D55a39077f1DD13479712F61b",
    "userId": "227068227"
  }
}