Transaction not yet indexed

21L5CKhKbUxGcea8HDS9bCptwUQmHsg1Bua5jWKsBSXgL68N8W2KvvGSmkm4pyvzZfrZpHu1gngwAzkMmPrX4gAE

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