Transaction not yet indexed

21EfXM5R8dzeM4Tvt9zKgKxjg6hhZrvb4GAudGoZb7kXHkcfrbNV6uCzra7icSqpDPoJqgp3dDEWbjDxgSTHTgC2

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