{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x021dfc7cc283adf493818681b71af690a34be045e89d175d502516311b98bb80",
    "signature": "0x8eb206a75efc37409fad3f9a47003289c002406396878bfb75581a207840473c36baa8c347e71bdd9b982ba8b4627ead78826da8026da21c582a0b8a7ad4f8e21c",
    "signer": "0x719B4fA802c4CDDF0E4A9B9a17356Ef5f748FCD1",
    "userId": "983139732"
  }
}