Transaction not yet indexed

MdD2MjD7bAgpJW9G6mfbdUEEhdCsUU2zihnzrXh2U9DQoiTyAUbnuMjVBi8CSj2kCTszPbDqqqPDdPZeEd11fiZ

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