Transaction not yet indexed

668uWA67MH46EMbG2FtUySVe9fwf3MSdS22r5QojBYUcVycf3cL9TC4XkAVNmPZLFMy4yW82LFwKVkEQbc7feHU5

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