Transaction not yet indexed

ist5WPgeJRkPApFQ7VmSX7MbBEvjCSfPSRfeKCWsYc8ZPkkgng27xNdUdmgAvH2xkhaU7xjqwiiQvLKgWeh6Mqn

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