{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x48cfc11ab74b0923ba31332da6b17578e3098021084fd3261b57099448810b7b",
    "signature": "0x25d73ad8c0c6091df10f290b02bcfd0bf126815b8f53dcf4f1b86a43e79286ab3a3bd71b6c29a21b27f09780a21c74794ea54d20c3089782c144317e0c3907621c",
    "signer": "0xEFA6A23a9B233ea46cD59F2E3850c708A6d972fa",
    "userId": "135989142"
  }
}