Transaction not yet indexed

21FLt2RSQ6qLKQakL3KopWTKvJ6GL66UizcPyV2RXuRCRVtmwmo4p1xF4zgDPQvqH7PrkDaiTvdyjrhFt6eNNkM3

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