{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x61a53d6af1cf1c552e08947b15b9bf9d1adba6221544cdd74e9aa05e0e9d9673",
    "signature": "0x0fced1227052fd7466bc8d6faa44c6a0fee34df30c2f2646354cc2f429d84e7f2d26092dc90607cf5bf657f3ccb4ce5d7f3e1eec81d34339798a9d4f8cf743ab1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}