Transaction not yet indexed

542HSGVDpXj3pfUcaXbT2DfZpSPfKcbWdGaPzuq4CQS5m5bWfekxtr6iz4CTeiZfpofyCYo5xMmjxLKxnTp9Fn88

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