Transaction not yet indexed

21xF5XMN3hPbAemqyDQpbZpWF53PZDYgqbrLcTpP7b278wKvExcCbn3R2eHQE9LrPMvxF9ff7n9YUDLvW9RoFgm2

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