Transaction not yet indexed

MtRDPfwnv21LdEN8hNT21rRyv4bWU44UmsBtAcFPMMrnKiYoHnGiNsBCDvQQ2ePwnN1HeS2FaoeBbgfZCs4EJnx

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