{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3169",
    "entityType": "User",
    "nonce": "0xc716368413080d424a1c7c3a94bd63baf06809e343b4ca87eece4eb1e6cc6d40",
    "signature": "0xa081b726db00ddca15f51058aad9e718a4224cd8c99641a31510889c07545f4c0ba6975ba5762fbac9bd58e5a85733060e16c0ea9045384f3ce37e3b49c4e66a1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}