Transaction not yet indexed

5666c57pWqtM5ppDGSdCBy6Srf58q9v4CJoqkhucDQzBgsaQZ1Jv8dj2xCT6JWx1Dm9AzazbSqnf1yNG6Td76oXT

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.