Transaction not yet indexed

MNB2uPjQwX5rqqXAgCezRMap9unmYHhdJmPPLXKBqEPXr3avREaxjNeP8nKyAs1Zdc1TqwidoHJKZu4cQNLsR2A

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