{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x624864424c481785629404c74f241e439e5a0ef8c7d64cbabfe61cb928a91710",
    "signature": "0x6aa6aea92e4b768b7bb8efc960c688494d447c305138612b2aa36a8eae0af3ac729d20dee6e9cc0996f86743328aad684b1ba6fa07e88d96edb6caf1267452ed1b",
    "signer": "0xE25aBc34d350525c02DA1b25E81f6d4f81F09728",
    "userId": "252652220"
  }
}