{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2957",
    "entityType": "User",
    "nonce": "0xaeb8930f53c7071d1920eb4e646462a8493694e87a6191805d30f92c18b74fe8",
    "signature": "0xd966623f99641a60caee7d56632a76bca197235f61e8be888867cad164b8866766f4c5fb06ba0adb4adfc6fdc308ab10806ba721bf200d8737c0ad5aefad62661c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}