Transaction not yet indexed

5191r2S3aM5Cjdntm8LnvKVPZTvCURRupd4kDXr9Lgg24hdzYC14GwhqJ37ZvRYZm8QrtytNTW4ifaLXZBzdwRkZ

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