Transaction not yet indexed

21TEmLrxkP2CwY5bEuxkkqmLCMB7MWH8y4xtepJEDc56A4vgCUAhu1NKh9mAqFdPkax5ZMPNDnd6soHom2KhFdu8

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