{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61535",
    "entityType": "User",
    "nonce": "0x98fe15c342fc26f362cc6fe8e6c72a4ca20f1f9c37624b1b1fdb5de017c14510",
    "signature": "0x1aefb5a9462f6d769c988ed88537e3d06d7903de758b89af52786822590dc475233d33710aa0d462b2574ee2bf17f5eb7e0aeddf9d410369d4d6f7de9e2fe3de1b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}