Transaction not yet indexed

MMDzrYJSdQWrvnek9cwAbtxMojV6ZtmFN9riRZZwxfSbfGdthFtefVBgbdpRLuAVXNvRWNtG4BpxQi8QXJQKmks

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