Transaction not yet indexed

28nnDQALiyf1Pq5KgZraoSqSmuKPiVEem1AQrziaCdgaJtS7DdTyCUUmqAVZ6VCfCWJGeBNtsCZvSSCPCHr1Jp89

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