Transaction not yet indexed

421fxNzri4h6RBE7f5ved1bSbYeMoRkeAtQNnzU5myak9JrGSkSnxBkXbCt9yCNxo9sdwcbxCNWZtac9CwmvrfAv

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