Transaction not yet indexed

MPumBwvpFGZXrgCSzcdJZ3mrL6E3E84KLw69tevgH9Rymjmv8sXQBPcBRrKCLGMCFaefyAaumPCAwAVhsh7uNcZ

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