{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xcd11a7212972b92946085343964eb8e1ac3001ff7088bd9d10a613bb1c327bd8",
    "signature": "0xeed90726171379cc790b8d72b69677d3823ca27a473e7800260912e2017a72fe64206e770fbba3a6f931d863d585dd490c60bfca379780805d086efc4e746e181b",
    "signer": "0x911F705554cbb79211D9281C72F158Aa47b0aC16",
    "userId": "426200974"
  }
}