{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5177",
    "entityType": "User",
    "nonce": "0x8c8017cd834bdaa1ce904e66cfb7d9ab0b50143e12295dc3fc4a806146218e90",
    "signature": "0xaa08c64ba313cbb98b410c78a3ce5b4cbfb3c2b5e9929996d684f971b61f7ca21a71e943a899ae496187fa51f5b252ccb7e6d21ebe282c9c72ca80f0036396b01c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}