Transaction not yet indexed

Mz6TH4UZYRpgiFvk6j9rKeuZGVfwvXtXb1GNUHcoRzcQLCjWMDRWFPqwHCSHAq2NooyN4iDCGat8fR29TfZnvB6

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