{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x97f8e7ba09d2a4d671a9aaa5a86f491d73382c606be717cb1e6fd44b7ba30a7b",
    "signature": "0xe1fa91d408223c8c9eb7fa7950f4a20509ac3844c180be3ed13ba3563572e955689b498d8ad56f9cff327e1669ecf27752b9b07a825041944014d115e7416a891c",
    "signer": "0x615Cf92a4beaCb2496267D993aEEF9ae4E0791e0",
    "userId": "918174608"
  }
}