Transaction not yet indexed

21ukEx2AZuNZvEpPQfQaM7EH4144UZapsqzRLvGJ3i1LvY9S5SjdMW26t5kaejW5AkknTYrJ5SQrgUWPpmRP38NQ

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