{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x9b2eba968f0ea970bc168d307812a9c0dbe5dab354c6a765368a01b26718fa30",
    "signature": "0xb6a8fc0fbeecb1be63ab8b4c118d4d7899e7e56fbe705273cd007476dd5916e94c202df9c43ab36f932cd1f446952be1df46dde7917e91140ca945847d39ca871c",
    "signer": "0x051e79C7198afc5B760f35104D1889FF3855D342",
    "userId": "697774484"
  }
}