Transaction not yet indexed

21m55Njjqk7GdBwyT7RwwA1aucMoi3i5mWitwt2dmWBHz5JRj7dZ9SqZsbJEDeHZR4qQnTWfnvMqu19a3gT3c2ZC

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