{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x504bc5f9d6b2996a98ea10beb3a3c6f7594e399e8fb16063a5d56781959851fd",
    "signature": "0xcb41df2f83c5e7e9bb6f9f5906851f581cf0d4aad60119f1b6afb4031b8e45407af4e96d09ffdb523593d1405856cbd9c26a448f5966784bbea5c6f372b6715b1c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}