Transaction not yet indexed

WM6mxqkoim4zptezuFBu86SqvawYnC8Dh6PGcWogR5LNpWyTHt8xEtcZDnsMKskYqiGp5BqMD7uDBQSdZz2CKAA

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