Transaction not yet indexed

MPGm9zagWMZHkwuFZf8DdpyqPfVhHye4jDVdecD8r8e15n87nisgkXPGNPMgWULNvK1jmJK5eAoRbDYsRLKVrb9

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