{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xc31976c5f57d15ef28c7f11bfcc632b83740a1366d04027847b9a038697be077",
    "signature": "0xc1120dcf4d9ee9f66e1318cb50fbdc2b59b099d99294fa7afdf692d476105b5c383feabca8278579b2a26072209c753536d246e33e61b8e596ddd2b5a61217b91b",
    "signer": "0x801120c8406bC3Bf5444165D1db4650dDef309cb",
    "userId": "210625003"
  }
}