Transaction not yet indexed

ECuuJ9W3mNptUhntpVL7kLbzv4JhNAUHeq8F3Y7HFiMJsqNB8K642um8V8zi31kWfGzFu8mCqT3WVkDcSC2TNs1

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