Transaction not yet indexed

644LcvAEBcnRfhRrKW7Ropy8CGdKKuNQs1SetmRFunpPvnu3JqLyjaP1QSUtP3B2a6prdNEqKjgxTUQP2iMvwjr2

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