Transaction not yet indexed

1256azZZc7CDcy4Krsft64H8gAtL41jBLFojpKYmRf5DxpvRm3Q2boS7MMWjTUrAU3CWHXwpFA4KM8nsYDuk4Cdn

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