Transaction not yet indexed

Xm8tDbJsZtioDMZC4gynCQLJkTUnHa5ZV5hoccXzZxDXEi5wipAacVap1ppDHhGKaUaC8ieNrbCe29qZzWS3Jnx

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