Transaction not yet indexed

1256qKeS9BPDEBTVDXqgrBWRdvUt4Z4Ng2NKeiT6feNVYaSbMT7ujPSqx2AapLCS9oeyynVfGMBg483EoiNE48BY

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