Transaction not yet indexed

WK6YnKpKYMHbGParcgQPo4pz1xhc8Qqu2SdKVAg3hLxJrWpeqycb2Nh4P4JSoMPETn4BFb1vaFhkhgrqXTMgHS1

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