{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x2e00d4c1b2512e831421af0d683cc9f2a28ab6ec651845c1304c9c6211709c1f",
    "signature": "0x5b262b1399854c13800e14ce0339b994f8a731199c033f3b05a6b4db6b669496056e994f2788e978d83d06f5ef4ed9df60d784358c6d404e1dbe38322a24eaf31c",
    "signer": "0xdeB1908f63d37f9EA70eeB4689C473bE9bad1249",
    "userId": "471372328"
  }
}