Transaction not yet indexed

421ZxGYSyGzXGdynRnSFJNFkjNAvw64pY7Rrc5Upruei6p8if45ExRYWy2BzQXxz5UGToGMEQAxVZDqcrx4TpWXF

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