{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x360e8b2dff9b24a72432d0fadb8474c92f38f90cc551def2544dadd4b3b5cd1d",
    "signature": "0x1fbccfc1cc3c960b23bcdc4710e45a57970fdc4836352f5d8424f53d1090a21c64d80239cd6dbe2bbcd9668bc25664fc83ce5614fd3f7b931b4498bd06bb57701b",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}