Transaction not yet indexed

mpKgu4fBLem68nuGaESnRbe4qmTcBtY6HFQ4vTE9NX2KVfftPT3rFoEzqoEvyKHSLFoVkXWy4GTDX5ppASUnNP1

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