{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "699323433",
    "entityType": "User",
    "nonce": "0x944e05b6dec3c0e4ff9df8cad43e94d9d21ae7c1fd52239e84d1a54e895c07e5",
    "signature": "0x904e7ed5102bf721b525673659340dce48ae13880d43d8b2937b56967cade774764b37dbbc5a60406b715b28b6cc2d2773ecf9d3d115d47a2ba58dedbce049ce1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}