{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x3501f11e5316d822ac6a85d803ab2c90d0978e6c1035303292c6b086139a1c07",
    "signature": "0x440f74830a08c90257048ffb414fd94d048baffc6ef86005d57eb5c65f8527ae22af8a3b59f44303ca2e021a21d0580257c82ff5cdf1103ae99e5dd016ca92ba1c",
    "signer": "0x7aF4B85E7EeFc603F8111ff1EfB3f87E6833f30a",
    "userId": "523387868"
  }
}