{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x5b68166cb4d586042c7a0d88be75eccc67e509d434d08aa581de1db6c51eb932",
    "signature": "0x1e88b70b7e4c5578c15c273fd82a7190a9ce44da3f5fe996d2af9f5008d0c07836dcaee1451790579b45e59659f27405f78ff18d37a175183b20947b672fb2131c",
    "signer": "0xD3356D4b76bd982136127a703d2d5ef07c0a8076",
    "userId": "674684316"
  }
}