{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0xe5325058b5a3a96707d1332ce616ecb1189a0756f449ac5dbd59b13b3b8e6cc3",
    "signature": "0x92de85dd6a5cf5c5952beec83023ce2c85d70c64fca05d1f8f6c21daebbb10c75d11770ccbe2900c87ffb71f68c23b40e4b3a5fdd8e70ca1f67b4ffd22b220521c",
    "signer": "0x6Aa5513F1B827B69CaF2Ed26a7226BB2A479b8E0",
    "userId": "342325340"
  }
}