Transaction not yet indexed

LET3ec64BgxUUtzQ3RXofxJmoat7YvSCk33n4YSAAyV1MJfBEZHsAAFTnL8SC65AuHKi7chC7gLSATVMHRsn3CS

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