{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xe0db29297e63461aca5d72a3d38a176eb2f469f742ed556fba0a10a5a50b6a99",
    "signature": "0x7fe742ddbd6cff5e7db1c842a2a02ccbaf45bf41bc5aad400c2c289206af54fa462f2497e3e31ed071b01562e9bcd87167d25f12d14803d1555621369c8a7df51b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}