Transaction not yet indexed

ykfLioNDDfTQiJidGxDNC8wy6zP5CWaAc7dvWTak87dgL3tmmn5jPdsArCnmBWEgbCEihfYxbYACjUV5KNvA566

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