{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x1cc338f1b339343db57a7457a830bb889ccdabad4f948e30047d6ecfd2224e02",
    "signature": "0xb684520ef977bfcd60414c61791eacaedef285e3bebfa8834a50dfb950ff5e482d0c30cfda9ecc247e03e06bdffc0de9dc2046415766b2fde2f947ff243ad7e41c",
    "signer": "0x4Ae3Fb5f72cB9cC8E517F5AD22ec08afc68dccFE",
    "userId": "528628852"
  }
}