Transaction not yet indexed

21R6uAF6At3pe3Ly1q2G6HafynrMSYLakV8AbWRhozJJmRoWrUPvxMykBQjRKNmaVMqP1NDPXWcaMTcywRzYUmqm

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