Transaction not yet indexed

5MbTnuDk3YqUpsWW5mYbNqLVfdPyqmG5RQc8G7P7cdjzkYf5LMJvdmtKAyovynR6MnkcTBs5EbmPCmHFayij2Us2

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