{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x36af1dccb14d50abeb6b55adfbdf0fe497919c54e7d162cc7f591968522978ba",
    "signature": "0x64061f7562d5ed3495ce8eac5e5452aa654cd9539f1cbb494fcfeb43f558395903df3d969e1df16740a5d1f695443e90cecf655b15176f4e668e1e6f76c4b5f71c",
    "signer": "0x9b591e6bE80B48E05B521591fD009a80055a916D",
    "userId": "209203079"
  }
}