Transaction not yet indexed

HE8MUwpcLsHqh1f4vktvuNXyGKaEynDBJXAXVsgPEi9Kdjr1Jw7oYeDbscB1Jv3VMxFc58o5bLsceRo9uqhBcA2

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