{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310201",
    "entityType": "User",
    "nonce": "0x605b7d6f2a7ee84cab61d9014f1c2a6206adcda7af300a48279520f22eafe64f",
    "signature": "0x83bc59b5132c65b9ca0e50cb2fbf8eb1b5a0861a30f6ed82340b2c99d8bc942a64ab5a4086c902660daadb038ce6b87531381e66e50488e65188c8d464643d0c1b",
    "signer": "0x95f852A4bf72042104896ef4Ca53c0429CF8d4E1",
    "userId": "797583457"
  }
}