Transaction not yet indexed

WFfZsyhTDP9iEhdpFoCcDthtrvXVALaRoRmVykdwDH3P3Mqt5xUvMrGqxZeeGZP9jtx1cfhiMtrKLe1JHHhcGR1

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