{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x7cd8ce3ee2c54ec7979e85b8774200a42a95d08c7f6ec20a0f1bbe5f43a98788",
    "signature": "0xf95816555feb1759deca07544a59f4bb2487193ad90584c32eab9774ffe23f7f411d4e0657ea6a44d9857c15a24cf730e437a4ec64af0ec62e304477e1cb8ccd1b",
    "signer": "0xe0e8368d842947c01E968602A524139b6DFFC27C",
    "userId": "306809543"
  }
}