{
"manageEntity": {
"action": "Approve",
"entityType": "Grant",
"metadata": "{\"grantor_user_id\":1389486}",
"nonce": "0x64fe0efe4a8b580fc4af3b5797a10b1324e044a0fea791658f0e4319e2804393",
"signature": "0x1f1b8ac5e233b0e5475b9484f5038efa687ac6d40771cb497860b5de4b31482d6635d2ea96ba2be5be900020daf40de72c0f680023f8be6a2d93d08bbb708a5a1b",
"signer": "0x593095CdF6998387B0c1bd237B5e2e1f5022C99a",
"userId": "77401"
}
}