Transaction not yet indexed

MMPttXpc23Yg21jgiRHMEn1cAzzCL5zesafvvfwPd3V136XfKJrZc7yoZoWdkwAFy1Zg7FNusNTux864aw2AfS8

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