{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xd48575d70312f8277b6cb7fdd7831ecb115516da540c7e622ccf52bd5bb9dc82",
    "signature": "0x49b0454b32fc0c24e77f8deed1b11c49ace0abe0b4dcd315f6befbbb982110ff159be2f650279d7c985c00b27fd985ef0a7ea47ea338cff9ac97855bfc550cca1b",
    "signer": "0xd156E497e2c5A5b65719fc966F08a67542d55c88",
    "userId": "404329316"
  }
}