{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1677331",
    "entityType": "User",
    "nonce": "0xb9f673f784eb8df0fac3af54db266d98c0cf002aeb88390ade34f3527d9ac182",
    "signature": "0x59b7bb10dba559940c6eba95a19d8ff52c7dbc9e3b5f401ae4eeec9e346a546d48c5d9c7294920ae1c0d492744c385972ac3d447ff44b90f8e6265a9487f088f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}