{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x4c2adb8a805d7e9d4611767ba100c70febedc530\"}",
    "nonce": "0x95dd6e3012b45eb549a4f3c272199ae828d1ee327579813639642e72afe65be6",
    "signature": "0x2e9d0bcec722044b52ea5b144d3582d4d36c6768766a476803d2acd13c25cb5533cecf94b97fae5847c79a81ab284a0385dbb21efe3da285995830724676f5111c",
    "signer": "0x821EeEfD9b00D59b05756c9861bc5B48b649f4ED",
    "userId": "490473214"
  }
}