{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x8766f5bce23ad85de2d029662c6d799806daf911c7f8df44e161bc3aeaedc311",
    "signature": "0x922686e1f7dfba4f8f1bc77d392fdd3d03d15a54aebc5dde166460cd0a96147907743f560ac8a37a3149a77fe2fca6e8c5f4d5c244e0f9a30846398dca8dedb61b",
    "signer": "0x8Db0ab5313dD5624bE4Aa641cA48466964d0d75D",
    "userId": "959333778"
  }
}