Transaction not yet indexed

21TnqhMbbSXr2E3VT5FkbFsjbQGeEbABxdYQdxWxqWQjMHFD4CBNfFmiWC39zz1HbdMp9TJD7hU1FDxm8X4mUisY

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