Transaction not yet indexed

Me6ZMUSNP3PbpMX2Z8mZoVveZ4CUR9GHVPfb19WejLjA2gfzthvQQ2yWKe8QUn3uxJ6T4VNef2FUhncTjSmDFB7

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