{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0xe04fa7bc751b3938ffcd25ec8195b8ddf1ee2dd5b44c84c6ab89cc10e208ac0e",
    "signature": "0x11133923c4c67b41a75e8a23c8ffb72b0f20430df333b58257c0115176445c0d6dd7a92a1b2b3deda9e2cb3e6540ccce85220693f61b0d2f75f76d666afdd4f91b",
    "signer": "0xEd0753dA0427FA1fdc1feBF7C25364b2314eb334",
    "userId": "35486555"
  }
}