{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x5c3fa1c50044f43c6aeb72c473ddec6543fc20e450dc636e9fe2acaacaaec50d",
    "signature": "0xce2ec13b8d78dc48b5eac44b524aab0c4d6eaf1c1ea335458790204549acb70f37fd72a3cf9c232ea07bb223b0ca1bce09de41ec49ca9816040cc6b0869faa781c",
    "signer": "0x1fDF54334D0F609fa8a94653c19B14E2EC706ceb",
    "userId": "863759191"
  }
}