Transaction not yet indexed

MHMumctJGD6PJAftHcFN9aiGFnr3UVTp9Bd1j5CJXJzrJdrBhgSSNRGQDxA4fCSecP4v7VQHuuPdZMLZ5Ki6cLv

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