{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6fd67276ac60a405284c2b553a9d1d27a9760b10\"}",
    "nonce": "0x2e009947fcf718f8193391f14f82d4a32ea7da89066114b95c5edae3f2c3c23c",
    "signature": "0x3c634960b62e33d8727797b84a33ae50e14d8db05e625b8a0c00c04d2785696d781a250bdb3583269688be443dcae579e42598d62946bede226c782cf10ba26a1c",
    "signer": "0x6AB94b4C02b028A8D1818Fa64354b721779A0490",
    "userId": "426352798"
  }
}