{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf0d5b5c0b19d80111c1f1be239d84e453acaf3c4650df1a2f631ec0cc7867da6",
    "signature": "0x2e095e88716cd73c450b31295502d8f119de14d04e8203b74ada99594095cef1689779b08350aa1ea842d33dca9a3e2ae866a2120f4b19a77a389576b8740cb31b",
    "signer": "0x7a78569646ADa00a4d555F20fA48e9cDb9ef14F5",
    "userId": "333304008"
  }
}