Transaction not yet indexed

21KP7ERKRYUxyXRoMyUjtexv6YEU1E3MTWkgwBpFzUBuqsWCirxqYXX2vGstw4qE8PRQXu9V7EPg3x3Bw8fUGPVM

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