Transaction not yet indexed

Dung6eUafYQehN3pBNPhbtRrcgSpzC8ByYQBcWGgfF7n6c6u98mBJoFX1GPpfLgde4GTaFTq6PYHPmmbMJmSYLJ

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