{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xb25f4f89ad00ff34820edbde4da66e97b84b515df57a330de13a2cfa8951a0e8",
    "signature": "0xc9346beeca98575a9e4c8647994c3b6442ede92708af3bd5317d0ae2f76f92c73b70761a22e56a72396f8ab20edc27254b434aca52c3b8c61848f595557f24181c",
    "signer": "0xE1A66d59a65408D1CF2cB10f2Da045882df732E0",
    "userId": "628427973"
  }
}