{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995816736",
    "entityType": "User",
    "nonce": "0x1cda366269e52c6e2abafe363e1faa27a59a0a34b10e758544b20458bfa33e65",
    "signature": "0xb5df5bba5515633938f5b56c9de881a32c32f8839ca1c5c944b34187dd43cffe2425c0d1972abf9694d5f554a8f95aa6a19e378a815622193af5045a0f1564fb1b",
    "signer": "0x2F6975604a633140BF27DA2D8352B88b9395d75f",
    "userId": "114653"
  }
}