Transaction not yet indexed

mPo3hQYuxdMbRWbjhR2f3yt4SLUAdSGWDc8ncKWMEM6JdSWFw2vEcyZMDghsvSo4VCck2cu1oGaUBnFxH1KKdC7

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