{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x51af9f4f291caf2d451d62a58a1c4a12232dda432af41ed46f4add227b851dcc",
    "signature": "0x17b56ef3866221db370657171ad366ab6782cea3476a8533a4d4623134019ae304e5803ef48ac53e2aded08ba9905f697446f845689372affe51d70899ab60e61c",
    "signer": "0x73a4AEb5e62D49bdDf13dc43A4745a3FA0B363A7",
    "userId": "528079075"
  }
}