Transaction not yet indexed

NSpTfAMNmGoNb9y3uv7r4KpaNtW6N7NNSH85cmdEdSAC616s2Yc34s5PBK8ShBTdvQtqTuZFoCTmvxRjYwA9Pak

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