Transaction not yet indexed

Sb55BATi7eDaXtXehgBUqKPq2MsTadAgXWjexBjukSi4QxF3nnKHyEaet6zXC2fkWbDvbBLbS7bWkai7nt1Q1i1

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