{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6fd67276ac60a405284c2b553a9d1d27a9760b10\"}",
    "nonce": "0x5d0bc34b107c28ee6ae04cba0ac3dff5a9a37375a932d1bb2c7ae7bf004b2ed1",
    "signature": "0x2e9dd329ab8d3bb167d49228124c6d1488ec279d758dab173e6bd0b4b58cc6cb6e87e3ecf660f0cbe3482fe066050c094eca95e0bbe724d4f2d233a08f456dd71c",
    "signer": "0x1709a301f2f562E07c130DFeDA4E25B39f723a67",
    "userId": "257711611"
  }
}