Transaction not yet indexed

5u21m9bNx4rTCkMLP9EAs7s4f9sg1h6FG7zrLHt7a2UNjFnoeC2vGdgBAwTwp9VvNBJPC1kyaDiyrBXzE1DV8QNv

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