Transaction not yet indexed

SYNNZk6mZ4rHioHiCqVTGvk42onpEMFUzyFUDFnyNdhj7iFNcCQ34kL2AS1PREGV9E9m5PCFjovJdRtMFGssfDm

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