{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x11d9a34ae2adaf06a1e8971a921f8d530e302dec514fd2df42036b648471f543",
    "signature": "0x1ae1b357bbd5da7398293414be0824770951630b6c35a26fd935ce86dc554e0c5f61d9dde2c469c582b65bf64a044e70f9f7c5f18f21391864ad6be6384f8ddc1c",
    "signer": "0xe9AEd7c6a53E05372080385D84b368C75677F597",
    "userId": "53722565"
  }
}