{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xbbdda28851058852a9d9426f71323745caf955c0f2d3d7166f2f33d4fd3f7139",
    "signature": "0x72359c70aebe70445231ddb0d90cad9dcf3fc4f3625deb2e82fdf3f1f13302ee23b300db4c5dce816ce426122e0306e629a0cc59b15f6df2fea58793d12bf0161c",
    "signer": "0x534D58a756b75aa671548ca7dbDfd2bcEAaBEA17",
    "userId": "338599778"
  }
}