Transaction not yet indexed

f21D6GxXg3gfMKV1dMjhZtiT4MgAPaHS6nH2JBDPvCfHrApEZpPMLPQNTDFR62Wf79PjuMcmApCnS1UZxqUSJL6

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