{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xe96c8e4b3cffff64d83891cec2bf1b6d913d85b9ca28046a69e0a0d3f709f56c",
    "signature": "0x4585bc975d7dd4132f4f65fe81c156aaa555cf52e5746eae2763ad9362bb42d96775d92f73670d56d88256f0cc03b4b460c9d78cfacb357aaca9c4888ade48cc1c",
    "signer": "0x3642f5421965EcB5C3Fe046D97c3eE812301BF8B",
    "userId": "155040602"
  }
}