Transaction not yet indexed

AMxu5rPDJya13oc2k5DEL5PjMbz3cUsgpZ9jK1fZn3ZhYpX1ixMKLtkAb3A6vycDR6K5NMW9n9zPo4AgCchg5kA

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