Transaction not yet indexed

1Hm21bnXcZXTqKyj2k5S2buMnKkhw9cQnD4MiKayFnTobbdvGPpfPgjS8upf4jQapjFKy4vVpZMMXg6rK25TQkV

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