Transaction not yet indexed

21T7aCcSYtVAK2AQZUrMbm7JUnqkfFJaATKzutYFEYHihDx7fbWFaRJSna5CrSyBD1bTU1sSVba2rH2m2LwSE49q

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