Transaction not yet indexed

PyMfnS2H5tkfmq4t6nj7KPCxH5A2nsknUjzpxe8ApxbrzdJem3w9TXwCoPRFxsTHxdEa9rSArKCqqfxmdD5eZ15

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