Transaction not yet indexed

tmmSzXRrCppSFEdxvYFoHPf5Y11mnEGTsfYniipwCTCttLT9bi6eNw1unVnZd1kJggbK1VhBZ2vPbTpzNJNmqtq

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