Transaction not yet indexed

a66GbYfhfTpamxSWDjDfGhrCgz3kQC9Ju7tCdAyPvQ21eNFVuFD74FbELKWnWNmEzgh5yLF7LYemptULXP1ZY9Y

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