{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x9fe3f5c24e89ccc97b84be34c36ee63071710cafd92e7d56342c5450831ad751",
    "signature": "0x9c8704fd2d9effea33f45fdc4c83a924b78f623aa47b0afbba0fb2e1bb1e3b6e1645cfdf17f0a684d3702b8453dd1ae4557aa0c895a6863f9ed986798ea5d7cd1b",
    "signer": "0xa0Ae3895bAFd2b4118A4f1358fB8CcB6C26119d8",
    "userId": "480936637"
  }
}