Transaction not yet indexed

AMkCbmzo5k5ADU5sSYNcLmdpyzTPCfMZuDzXY3926j36bCgJpvpwe3QimYiRskG53kGCEekP7bNrBev4FuMgG1R

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