Transaction not yet indexed

1UUq78vsfd7G6tHdDRCrXTt8iDpb3BXfahqKgofcqgYhpAwMyT18RMJqmYFBShTWtLUWGKR2bk1DPLebb2KT88k

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