Transaction not yet indexed

cou1M5vLb1kMX2LixQ4WQXcVdj4C1hr17tbSA4F8BRcRfuJpioNVtQs36isZZbPWwe6iT1FdnJ3wGt2cQobdeK3

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