Transaction not yet indexed

NMgRVfMjdp8TVDHNNGXFku3C9Y1st7V8SWFDy8BwVcmtPDddJKuTD6AsYvx5v26psNtRowPPZz3WmABAnZhF2VV

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