{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x803b56d3db94740f3baef813b035967511ea8fcbfa7620ba53faa4faac78d159",
    "signature": "0x0f2bcb8dd380a822b24233c8ee1414ba4e10491a79d271f6e24a8876073cdf94518d629891810220a37bf0db641955fc6b295145af6a966db9933df5ab8a52941c",
    "signer": "0x0e8E51bc9948495B4D859B256A8571769aF017Ad",
    "userId": "40247341"
  }
}