{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xd695ca67c88d5be85f7760babbbf5f30c2fa09282e769d77dea9f52c32af9115",
    "signature": "0x581003fb4d548163472a961f5de8d555ab03e6c143103670234b352162c6aa27483834364c52057568cb181325166011b50b925e723bce1b4f4be89a7eec7be01b",
    "signer": "0xEd4a93429d4e7EbaD8eBD9bEf337fe224C222f9F",
    "userId": "918899125"
  }
}