{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xd65c4583b246963eddfd7eddeecd5742ef7fe8d68fbf4e6163bbb376169eeaa7",
    "signature": "0xb1fc3258f9098227a146b57cf291cad1e10fca64b354476ef390788b883756476899f1c8a55046c5951a3e749e6263b12e9b55cb7748ca945dedbb1c1f1e47c21c",
    "signer": "0xD6eE111449Dcd7039eCC6ffE9e2697a4B60cD6D8",
    "userId": "273713060"
  }
}