{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb6e00f101326b87703575966a986ed5999da20c8bfa9b8a7589ecf969a3d7c63",
    "signature": "0x87c484e2cb1bffa7c0c719b43b7ef5ecacef2c83a2ab3f3c170a18fadbbb3fa734cd220678817e0709d7f6693217da9aa4a608b7d4272daa059e5a8fcd5c794e1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}