Transaction not yet indexed

MT19GyTtEBQHy3KgER5taAPtZa8r9BU1BLVvP1ipwiaWJ37nVxgssva7aqwkH9Fmh5ja9k7snEo4qhAM4LzBaot

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