{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xce610f467bf6f1d1fa28c2155ad506f7b45f530dccc3f5facc49256486412c45",
    "signature": "0xa188506028aaca2b3a4547f4f94c0acb149d73f9cfaab9e213ad3d10c17392907d8d864777dfd1420a804b32d437f875258043830b4fb6e92c2c4dfd51127fa11c",
    "signer": "0x7772F93B335D5DC680146419797B3A3CF3cf246a",
    "userId": "356826583"
  }
}