Transaction not yet indexed

mntXx19vbN4bfJRZRXo2p2MyLBTMWKJn4VpZyxDmrQHBhWAKBfjohc2rtJjLToLd1m4P7pAUXcTppRvqY4tSEoF

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