{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111210",
    "entityType": "User",
    "nonce": "0x5aaf99b51a14c632f1b1f9860275621ce5827abb250044605ecf68cf515c05d4",
    "signature": "0x05731089d7f0e3d09ec5d2e4cf502d757f6d1ced841a0c8ddd1861ad5d870f474bf685254dd361bd1b6ff21993bd90adf288f8a09ddabc5a6a63c94d3f394ac21b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}