{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10922",
    "entityType": "User",
    "nonce": "0x4cade3e9348ff4a6ad8145780f3f7f4c6f7f843b8b6c19f288952799f9b78e61",
    "signature": "0xa0fc0a2717be69721e705e9c6b9d8909b71e6491cad4dd3fae55aaaa69a0971a337f6a8c965617e20e41f3659e0dd9ff55c93a6b43aa73bc80df4320e701a8f41b",
    "signer": "0x5A4a438EB48E0567283E8B2Fcb511DE3cD0Da231",
    "userId": "102202598"
  }
}