Transaction not yet indexed

MS6mvTHSuUwHVMxPjG9th3o9N4t4CPbyC9VxGfAMZJvDAvkkLBEscVh9JvRo12UEQvxokHjdtTdjza3uSKxADqW

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