{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917266",
    "entityType": "User",
    "nonce": "0xdd246a95793e350f2132ff97c919fad14b9440b4131863f68506710acf57ecd3",
    "signature": "0x3012a933a2005f915c8dc187f441c20e6e88cbfd37be429cb5f248ce3db504781c5dbd9e1634736e5a56dbea5c516d8690c648324f1fbec34aedb0372b8909981c",
    "signer": "0x75adc2A133575527B87d56CA442911D4f02b7B52",
    "userId": "487781531"
  }
}