{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xfac0452c2bff75a2f21ea2c78d938a38c03f585a\"}",
    "nonce": "0xb0c799be704683f85cc52ce84350515ecf555c27c06e8e1d79430bcef7ee6c24",
    "signature": "0x7ba0067d68080c7c6d415646bebd1632214c31a481477cfa6eeff6842126c6d954d3cfd929fa481483bf554d393f4d233d6ab5edf1d77e151a5e0632840987461c",
    "signer": "0x2E39Deb0179969a4924bB77CDEfCE9b5D335D6df",
    "userId": "396813336"
  }
}