Transaction not yet indexed

MkM1cvrwjctGffBuLLV2VNCvDEF36UyHWuwtuYx8jD1TPbW8HmH5F4rc9DCUnrDH6W1C2QaAGQ9n3JpqmfhftS6

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