{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xf8c1bb2baccd968c52c8011b422d1c7daccbbc616618267e7e1e2e53258f818c",
    "signature": "0x7057540be9d86402ca71a3fcaf5196ae8996d18042bacecdc19381927f95b52e117f446e95e785867d1e8e184d4e264ca6dc63b594049ae831065437aa0053d41c",
    "signer": "0xe4F762c173D8CD397e3e0eD96954d3A17fCE6633",
    "userId": "634604202"
  }
}