Transaction not yet indexed

56SFfE23NwuNppR5pEJxT1kKNLeaqQLJTySe39uBHjvpfTnHqKy6pV2jKwbK5HVLPmfyPvAgJHT5wS4RP3AAMkPh

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