{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xdcb9149491175819da49ba2bb9ba36e05077c626\"}",
    "nonce": "0x40140e42fd8a747072700e2a3bcfa6022b7f6031d17a5ecc9f4c95351f26ea83",
    "signature": "0x7dbaa3c70d4556e21caeb4a8a6fa687283fc2ad3089c1c458b3f902281a50c8126ea1eb61f5025dcd50dde86451da67e39c9f5dd859e372f5ac000adc30fda641b",
    "signer": "0xdec63a335044C1b6E3F26B8aCF5334a973E79e00",
    "userId": "178077512"
  }
}