Transaction not yet indexed

Mmb3PdKEZdkyvomV5KCNNCXTCfjxzpv8sLVGMYpbnXjhFjp5EFMNUst6yXTPbShUoetJZ1FXbF1mhobysW53jkk

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