{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38841",
    "entityType": "User",
    "nonce": "0xa5ea379bff87b08da45adddb882fcc05850f66b0a515654a7fa71cb44e9b66c4",
    "signature": "0x4d081d82738b5df651addeb0c13cdde804b10419e900b8a11f6fd7d99c25e56e44d1a3f93e4a87a14cb2bde2f707efca30d740d661d67118cbb2467b8b819e3d1c",
    "signer": "0x8f2ebBA3522f46F14A1fCDe5312c7B9EA0E59e15",
    "userId": "735463452"
  }
}