{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8527b7090075de9cbeffde457c4a90b59155e2240528441882efae16c5c67bc6",
    "signature": "0xc953a7d181ea69d037738741242420d38557fa7c7fbe5bbe089fe625bde755a07510ac8dbbbb0bb17223943871fd7435a6159071b310e60d291479ed47ef9e681b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}