{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x71310f05561d7de03572fd4dee5ac85fc9847fa2ecd6a21136576d316a37d148",
    "signature": "0x739d51b3f705f905d7d739f2a9e16641c266267621e3089472c7c9f2ceea0bef3fe855548d643512ef1d142bd179ac3146e8b4cbff72c6d11a6562b98efb46791b",
    "signer": "0x627f7FDAB43F5b198Ad656eADbACD4A3c161Fca1",
    "userId": "976723583"
  }
}