Transaction not yet indexed

Mmu56Xt9uXzPcn9rTuYues7mVe2XLojc8tK8yEEDyBtQT8MbbZ31sM6JpBVPpgfNbHHyySAztGRNff7iT6fHNA5

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