{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x65849cf27716d1abc30d1948901997bd3aa00f31427a6e139e71bb016ae64fb0",
    "signature": "0xd62af99cf374e832a6402fdf1991a8ef8c4d69a53b5aca9e9b9ffe700e11988324c1152fb2cb763adac07405ea070bd84f0c7d8903ec9e46c63392f73426e31e1b",
    "signer": "0xc381438f5Dfd2C197eCc12cec71d4484646573E2",
    "userId": "98972725"
  }
}