{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x71c68c7f76e622e813e152c7c1a31eeffc5fd539621072111fa5fba1ee58227a",
    "signature": "0x694666aa36d6149c4bf0c7504b95a20b4ce09c299852bdd06a05f47600e3565332fe57c16d6331639ac95ded551c675ad7485cb198893d826353dcc7bbf65d731c",
    "signer": "0x6019e9E7e1971dB9F634A836c226bd7c575D67fe",
    "userId": "93179"
  }
}