{
  "manageEntity": {
    "action": "Approve",
    "entityType": "Grant",
    "metadata": "{\"grantor_user_id\":38448}",
    "nonce": "0x38182eebb7653c9a86ad93ca0337f0fbeda315f9f8397ad98b7c56680701455d",
    "signature": "0x02982dd6e21e303d031dd3fd630602c90c4cceb2e548783138582884004b509f345a71d8d55145f9383c24814782e32144d217e620f0a4ca5551ecded7f98b4a1b",
    "signer": "0x4c2Adb8A805d7e9D4611767BA100c70FEbEDC530",
    "userId": "335638261"
  }
}