{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7c2a0aaade72bef51dfbac586d0dc6e2389de949754c08fb06d4efe61e795f9e",
    "signature": "0xd9334fe90844a510ac8cf0ca7c1f319cb0fa0d765acac339ac9a53d10bf0e21a02ede8b0acb7d4e755dbb7b63d080d79544b9a4667e35c02352cd5a955ba07231b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}