Transaction not yet indexed

MDkDvft7rbcfkzGPEdbDhqDdAC64vRWte7R8Ja9Tv5JihwwUz46pDKH5S9EqVcDKwsNb2NBdoJ4nGDnXw8njxqk

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