{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847622374",
    "entityType": "User",
    "nonce": "0x4fb2dea39783b428f220324e7c4242a6ad9b4b7e6f84bca1b17c7ab0313be15c",
    "signature": "0x9fb5a3f6ad054f55adf6cf2909c889ad2ccc9586a1e950b5d207f534ddaaf1d13f58bb63055fa102c613552ad32331448ed0681cece2222962821f7ae8143a3c1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}