{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x47cb14cbbfebc3678d444b4ad22240592f244823d740ba8bcb7e6f43e182ef97",
    "signature": "0x0338ed2166678551f93f5bce58d3e471a16c7f74f071048bbc1787c9a49ccfb970340b3d71979dac346beed166aa483a23aba3df6f049ec4d093b5664e52bf021c",
    "signer": "0x83E294A983A20ac147B7c55Fe6C3D3A11AC18254",
    "userId": "698739261"
  }
}