{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6a579c25e2a5d48b3e94667b40aed26adb3fac93\"}",
    "nonce": "0xb7b07331159521672a8ac1d044bd01e03958fd3c365d16ebe8e4b45e6e4591de",
    "signature": "0x56565ef585699c2603110588d1cfa2fc09b5f4d73c7596f2e28ed46a696d69491ee23657c3ee26578d8473f8a7135ed8c31edc1c71c736a32c6e449bd84625d31b",
    "signer": "0x6514Bf9E4fe1ff68cC2CbAB5C7494a2bedd3816B",
    "userId": "890617956"
  }
}