Transaction not yet indexed

MMYCwJmrb2pk9bdvSTSskKHAfXVSvHFV5sMkXBA8E5fsLBr8XWxqxaZ84q934PGFZEXLqb3HEnefFsj56sM2kvD

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