{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x9cea082fe5005540af4c9d6a84b07348a658ad092f6debcbeba7280cb6b6fe39",
    "signature": "0x2575f2bd6450e5525dcae22c52a9629d4e91d6662a9d791bc7fe5b5d1155b312172d22fb4397e9c2bd2f5db7369a9296f276f0e76677e8959b88beec204108561b",
    "signer": "0x83A2a6C954b8183CED78d439b0EF485639B63867",
    "userId": "128082155"
  }
}