{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x7d40ac406f2f4b9b42f22a23651113c21e2931a3ce46bbbf56816b276868c65c",
    "signature": "0x1b5c74144dcd035bedd760c9b87dc80400b2367a5f307b566c0a0391ee7262f07b004a8b40be825670a6f91f769293c4eb785fff38304bd34e72775b0c10e2011b",
    "signer": "0x30ba9CFdD6ae877b0446385FacF4CBe01B0ee8Fa",
    "userId": "140594093"
  }
}