Transaction not yet indexed

Nt87Kkp2RCfVABBq5aBhEGaKtvQQHT8srZqJ3ikDX1AmCfVQ7FTHuWpcjLCvwsZxZPBFcpGDBmsVbkVFoVkaCp2

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