Transaction not yet indexed

1256DAL5bH2jMEjSN3CDwJ9Dn2qgK5j9WNkKXoSuF2AkEQJgoLBUHMJwJrRtzUyvkT4pqwWKYEwbUSAtfBRajfMD

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