Transaction not yet indexed

MttZjPTDNTjc7tN74ngmCbkToFLLkPHp5rGpowfeSv9Qet5qwURNi3o7PVNsBZHaRvLi31NX2qB8PRDsYdx5Th2

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