Transaction not yet indexed

543XsbQbiZD4vcMdBqe1AbT7iatSQS8o7tmJK2sNvbRPWNXnvuuL3ZQTxdG55sPcMmqbQCEP7hMFo2MmHtht43BM

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