{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279426",
    "entityType": "User",
    "nonce": "0x4fdee36adc7f4263c6519bc0a49c1ca022ae189719cd413baf0ba46f03e87977",
    "signature": "0x89f75bbd3633918cc00e037c3932093816612bdb7a93a0a1bd12065038cf16862d1fca87e0b9f8390a39af535ba0272027d87c2c635dfd9d29d9a6cc0aafa8311b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}