{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdd993b262e2eadd23576e49f7223c8ec269e3c7c8f1884083d3061d6ed68cea4",
    "signature": "0x2df825a2d3187680b63f6b863abe42cebf98ffc62d40074cefdd9dbc711c9d0300919d9ce7203acba6bff5b98f5da26078439b3aa13a81cf8ee00173464070541b",
    "signer": "0x325A2B469d87622C8f70162514Ca1140A9f39470",
    "userId": "582269062"
  }
}