{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x708e2b10d570058428188944fa662f765ae08bba982842fd9a402cf7dc8ae108",
    "signature": "0x591bd066013f8d2ac49c2a2be54b8340a23a349937187ac1b4aae62c095c597444645686ffa1bceeee20d18869af1090593758fa83b616f0104e4833c4c14c1c1b",
    "signer": "0xA27EFF5Df0575971863303299C56eF11241852B9",
    "userId": "973478460"
  }
}