{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333763354",
    "entityType": "User",
    "nonce": "0x7d51ae4d2c2cb6fc63152746a3de5eceed5927bef96afcc7b4f33dcf119e7489",
    "signature": "0x510bb4d7cce81f5f2059b77e16eb5cd2d057df81cecd912780a0a14ca4705db54c9464ac79b3e1a3652aea00c6c4885b5faaae40ade5d684d7c0a0eec9bd03771b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}