{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0xf1416b81a61ddce976543be9eb5d0eaa45a8d21ddb1cf5d655f41926b8c701ed",
    "signature": "0xff0cd84bafcbbc315f3d46999665a3bf8d4c0ebe0d4a4116c5acd9213316dcd808200f867974db65d32f900b8f21d4588a9d783cc2c61209c274d53381ce6e9b1c",
    "signer": "0x7D2484B109591CaeFe5C6e42202ede0C73DA332a",
    "userId": "724624726"
  }
}