Transaction not yet indexed

21NCBFgy9wnp8dTzEyHYM7GD6T5xRL9i1vCJMQdKySLxR46ffRCmzUkGmJ5e3V1Mdeqxv8jeqsGppEfKkeXEMLE1

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