Transaction not yet indexed

MNpiN1ApWXUBJGkH9sjBuFmB4DdYRnGRN293yW4QhC5Aqf2rPocd9zzSCvx87566sbpBNiGUmMTZMSLUQdEi5GM

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