Transaction not yet indexed

pkn8X8LssAcmWEScs4P63A2KtBN5jUkjWnNjLyWAGDaTDmbVKtZzg92bzbqQLfL1ZxrxHWGzaLwRY5rcb8ivmf8

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