Transaction not yet indexed

Y21bSaEZr73E6sV42d8mFRcfuQefnHs4k4vYNNVbhHMMmJF5f21kgSkx1boZXVZ1UXoBspRPUHL5EbitVpogU2n

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