Transaction not yet indexed

Y8my9aZ4BTABYvGHT1933t7kEZKJPTUgKHfHQo7WQNBDMsPyWpdY6sXxrckketsPmkk5Hr9fAqiHQBv21GTbcL4

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