{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xe81f3e41afefff58448f79fc750756ce5e415b8d73c5f05b51dd1639649778d9",
    "signature": "0xe6b7e1554088fd732be817ca774d27971fdba7c03b1758e3f1c677753ed9666f2962dde8ca4e3c7d69ef9550c2d019efb6ddc435433aab381276cff51bdd2dd21c",
    "signer": "0xb67BAeb03072eaf60230d218d3FD0B45B8262f96",
    "userId": "179555152"
  }
}