Transaction not yet indexed

3U99ffAZvbZJSEgQMQ86kvYMdNMhLZEqqnAf2hH3d8HN2RvqSJuu23w2BuftMBR2FBkjkupK5YVVwQBkZXw2Nijm

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