Transaction not yet indexed

NB15tt8dxABPW2FGXMY8zPdyJrNjTxHzoHTos2mPXZvqEVrf9ySw9WiHMMFPrnUZvpFUYZ7JzLYRPWneicsgGh5

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