Transaction not yet indexed

MN6RbDADNxSkwCwrifNfRPSEoeQ5Bvfzon4ErxdYzX7sm6QtwVMtGeULHjSPWh1ya17CodbXbQKs81PkMB3ffT1

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