{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11f10a711b638aae795db38e4b8a96bdeb30891dfa451e66f6d0d93fa3bd74dc",
    "signature": "0xdf919c7654481ba22f3d27e3a9472f56c0c39eb198ae06eb97094a503050a22500c0c0cb79e71301f602ef4b2c0fa4ba78e6ba865432b0aadbd4aa4faec81d0e1c",
    "signer": "0xcD4F1186307274c0CEe6f7B3839C6E04b1378169",
    "userId": "186476415"
  }
}