Transaction not yet indexed

C15tfbnJrdYjHNLr4oExfKj4aHAXJpc1HGu25GgUkfqRDAQUTEW5vxfh1MYqgBnTGGr1VDyUReqgSNRwxgSpHtj

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