Transaction not yet indexed

isEE7FzzVv7DQPDcoDTJiNVA2amrPuUYDurwuZTK9woPFN9LeWgmJZFm1QH2Bbqn8P8jSEBaAYApKyAXtxMz3Lm

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