{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xb2a77bbf1dc0cf5a34214a4528c4256c5a95fe63cf6536a18923f161760ec3e7",
    "signature": "0x9cad65b37622d0ab1327c372bb34259d552fe443f9b2b82d23b855fccafddd363a1638bec9a782b3ca513e91a5934c9c57f7fd58b6bfa79c40659276dd33e5f11c",
    "signer": "0x33b42d66D6c0700F97b2EE0bA84f76a62888F4E8",
    "userId": "244126511"
  }
}