{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x40789d31d616cfc372b4aabf58b2a77f222631ce57946071bef8b2e8d0f99c17",
    "signature": "0x6bc0b9601b48fe4902946d652804a05faa415e4b21cc13dbe832b88b2ad410586f1f2fc6a7c23f78f38e534478fd87a612aa5ee41c38fa6564faa11eab497ad81b",
    "signer": "0xD218a2EB5d5c06DCbbCA0B25C98071cA92380B5D",
    "userId": "131297739"
  }
}