{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xeb24b08ff883dd914d3713b2092a7610f892e9c183698c5623a1fcfa7ca609a2",
    "signature": "0xd79051ace10413c2ff18c06f54609314b5c5646c14223ea7aca84e4f5f45f13b5f280e91ab4d06c9517e6cd5e5cf15780bb402bf58e9aa6350c4c207d7b5d9001b",
    "signer": "0x87D679395c735FF953e24C0d47a60c6115d7cbDc",
    "userId": "381282959"
  }
}