{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x07f4a126bf61f4e8070206f7da00b419b8ffcbef367021d81779a0446067e3ee",
    "signature": "0xbbed8ce421c30aa3e3004afa8411d3b9426b6eb2a6fc4cf134ac0a79949f1a5d3c19df69973b2ce230d61f541c481a9a9f92ce21cb95366688de4937788cb52f1b",
    "signer": "0x7755341793E0c093640Bca12A71d976817cBE4B7",
    "userId": "439939946"
  }
}