Transaction not yet indexed

21UM2GSuRNYQgxo7gZaxkFP8gpCe15sUY6iTzCXjync1ftvAZBf2pQEpNL7durFh5cWMS3FWxKSby32ZqtL3zumT

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