{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994013869",
    "entityType": "User",
    "nonce": "0xa06ac376c6dffd3364538943ad556e6e06430bbe0b42004ce70dc364a34a5043",
    "signature": "0x1d05b4c6fc524737e3dfe8039be67b987b100aa8e4e6f747be8a4e62966c253346ef89a913383a6c43e077975780abeeb5e68b4a09c03d981c7ce8d2bcec03bd1c",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}