Transaction not yet indexed

53ufPb21cqnXbEbD8t1ETksfxmaNgXMAtHZXEcsgXmM2KyH1isUC2DgGgPLKLCXfVsQ5kmCLJrJuuJUJvn93YFQc

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