Transaction not yet indexed

55Nsp2BJMe7M23FGfEQLRTQAK8NUxcT3qwtmA6VKXoqsZU11PLhSSG7Db2azcvQKLr2hv3oWTkDjoUdRzKPS9EWC

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