Transaction not yet indexed

YLMPysiPdFYZCgsv4ZBXXUsj9DKZgXPmnmACEb52DKvjyaqsxkuemHoSdFTYgRe6BxWaGx3VBVfxt9zzwV9nNA8

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