{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5c999e14b22677e6408b309e351349b5656bd5bdba28f8c877fd76f4287c6a52",
    "signature": "0xcead143cd29f7bd6d2051d4a563d42b2542e9ca9ef9a9d77a34fadfa4d3c2eca3029b6eb4417ce55d9872539d392d3b2baba6ff63e16ecda7c84a327dd7e7e1f1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}