{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x63fed8916eff0a24db7c4b6ec1fa6b37152f7eeb7341a1480529d0a539465a34",
    "signature": "0x03c6511d159a64227a098640f1a4ca81faa6fd84a62269bd2c16bcfe319698a644dc80e362e51c3e44a2d91ff3383ccfc5be8d1d121ae6357548c97a76e304b91b",
    "signer": "0x7497598641A13750e93e0734A3780a486C7b283E",
    "userId": "979865494"
  }
}