{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x47e33e9a6ea306f79da9b3cb82e9881438fd27c638e05f445cc0013d4574e323",
    "signature": "0xdc05e1fa83079306d4550935f7a5fd56d621078bb7c4d020feadb4596be48cf47b7681dd59c9bd93410a62e4f70b7aadd1d6cd74c7d7820458000e90a26d4c581c",
    "signer": "0x101a0B7DCdaA192d9B07322E13792e3d5Cba1634",
    "userId": "689010269"
  }
}