Transaction not yet indexed

28ttnsk1favKmkUcL7mPb1d3NR433rBgFcGBBh9dxLqPYfvBT6EqXrGiFrRTppphCC67FNChKSj5bZ2SNBxztHg8

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