Transaction not yet indexed

KEfZT2CAqzyRntceRf1wSsqLACnZnWdvU9YeRewDZ1DwNJUp5A9qDG9mxCfyepTLcFSX4Atqn2mgcqGVCRW1qMm

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