Transaction not yet indexed

21D6EbKfPowgncUP4gvFUrSyZrvwCHsbS6zR1rCrZf144XsLxVBzbqhhxoJW2zNJDoFvu3i6jVCCYqs4tQMApXAW

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