{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xef2e44d43ad955097211148bb10e5cd382226ee13e40d5f2d5ec02479441065b",
    "signature": "0x78539757cb035d84adb44622dce9a8bedb47b573e11b56d9d76c5c4f0ba8b3f71e8537263e59a6f2be38854ec82ddaae9d8490f0764fdb58d05ee357780e6a4c1b",
    "signer": "0x9c350bBd76ee16A2fA4A65D884E5314A4DDFB8d8",
    "userId": "106758458"
  }
}