Transaction not yet indexed

21SfWHJrWMMUEQdAMdmiwnwMYcRS1oQ6RUBxaNuPkT8hgp5eUEdt7TAQBXv2o2gMXryWtkJKA6yzpBQJbUoSx2nG

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