Transaction not yet indexed

21M8ByswMQrdtyDjHL1TryDd8nGi91u7gUJWFp3a1CZD8nbnsQSeJRizE3tMheCfC2dCsmZudhjkFoiiRdVR4SPG

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