{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395416959",
    "entityType": "User",
    "nonce": "0xded528fcf93324069e856ea6890e5ca6c436caeda2c3c40d0fe1759fd5b363b7",
    "signature": "0x984f29db8c19298518b13bca5be7f2e9e1d4adb7c2e565a0e3db2be3561120602b4a6a89e07c6b009cd1e2032502e0ef296d59dec0623f5921b5c1c5e2ae5c801c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}