Transaction not yet indexed

HC15aKtx6psvtx19AnbYxGuXP54twgk4N7uQwpVb1LnqWhbN3sEnqMaLaRuyKDnrNpMB2SNk5VrjiDDknpv4jvy

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