Transaction not yet indexed

5S91NGSRqGPfQMopjzLCUXbzXSEUESx2VA9b1erZtNSSmKDFi7WHPzaVHPhCmRPn7chcq998569dPcYNarKK4Gi4

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