Transaction not yet indexed

ymm6zsaGnSmQqkxGUxitJzpJhwYtyy43NKm3ncmuFvYZNSbLo5rHkBQT1UdFv1KRBs7JBqiEMTi6PdoFr4VBmwe

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