Transaction not yet indexed

MFwCT1i6rJeb79NKubD1zvZg5krTE4knY4g1GGBQJ9VQScCeNxSxVa4GgyfDdu3TdhyfZ3DPHW2jUJcTCaBxCuR

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