{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x509a4664c39be7a1872ec7825fda822f51b69780e4e55d22bf100debd127d8c4",
    "signature": "0xdfbf8f8518ae0cbc5642a6759f9a86ac5336cfedceb91cfc19c4a0e41695bc151da2359d186f85188da44e6ae315739d18bb9aa4094d3d4bb91ad88ab4d895611b",
    "signer": "0xf4932982eB30F083aAeE8850Fe5d411b7A5Df5a5",
    "userId": "746635137"
  }
}