{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113488",
    "entityType": "User",
    "nonce": "0xfe54eca034cdcfe2d183c96d355fd60a24b7910aae50a60983446a515593f520",
    "signature": "0xd2c1d65d585e3a3ec50c95db31aec2a478df8c19ae09414678d510b3cc0ea9400f258b6e8b9872d2bc03ba143ea6cf03e6ce0dfcc0ef23e655e751f1f64e5d611c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}