{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x1cb8c139b219344c77281edb0ed558aeed523cf43e97dfd308523283917e4ca3",
    "signature": "0xbf67661a72a367a61ad2c41b2d93fa5849cda74eacacb951b8de1186685e7a4d1298848ab0e97e58d989423808d6faa7f6702525395a68bcdbe73c9939581de71b",
    "signer": "0x05ba9E3Cd2D44bE75863Fe509a50e075eD17Dbd1",
    "userId": "207374022"
  }
}