{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0x72c1879dd54bf08fdf0989ebcaaaddef1a210ae5d14fbe7318ef70896a7874c2",
    "signature": "0xab1fb99ba5cbe5ebb5b476eb5489b77b1b8e5ed174771a9c7395542d9906b85276b8e01cb4fdc629753c2bf2cf35045ccd741c10f6905430018aa20b4bf3a5c51b",
    "signer": "0x18356cfD8fCEF0CfA9c1317D9538cf9f94734021",
    "userId": "855397745"
  }
}