Transaction not yet indexed

RKkMvT3p6n7ptHAx5oLvCeXUwBofjTm3W9256BS6mZfijQmoqAK8ufMJ9pGuPCixSYFd8Nms5KSf8th7E2ppEgy

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