{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100391",
    "entityType": "User",
    "nonce": "0x2a947b39c52b2f2a02a56a172b03143a4ff9735d5f787421cd8c658fe17c9cc0",
    "signature": "0xfd50162128763a1486687e51d8cccd3f0ddb418f5b52c61758ee1c95de91260b40440cfed1e4b9aeba87e2aa8b8b41ceed37a4ef1a193254e0a331bba58140521c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}