Transaction not yet indexed

21Y6MKqUpKRd8qCuhM5GZ8FVmt6AXRjCMDkL89ChETGTrsy1xDvyftfmLcb1d2nNGtHEHFiSaeaiPgF66Ek3Bow6

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