{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "23256",
    "entityType": "User",
    "nonce": "0x1bb7d69ef466477261f2b5f9e8e2a1f93844134628919d8ae27add7d4429e893",
    "signature": "0xf2348efe19f47176a41829099fa4b54638fcd2aca55fae0b523ee705093040981b90f060d342c2b53c56552b28587e6779c3c4c4287e6fdc630b356f8334887c1b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}