{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xdf65772621efc1e42e7eb11c37d13d1b202de13438bb197ddb7a7670152f24ed",
    "signature": "0x88863608470ae6e98022ccd75041d4b2b390c06995d46aa315a7723b0cf3129977c8265246bac5671640694d925d5a42318a7820935466b5ca1d1b078a4e47351b",
    "signer": "0xa03C0172afe32c72E2F5268F4A13b7A68C8A0477",
    "userId": "492644060"
  }
}