Transaction not yet indexed

MmKk6EzBmJEnrMxYvYygCyLrNS6QmveoCJqLMwYchzRt5A4v62eUCmsnHfGeccK8B2YKuwsLCTkqCWgzmDFf5WT

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