Transaction not yet indexed

ynmSMYigC57Ghja8g6zZPzBcqGg7F5YhH6Y6j5S57ZY15CV2hFSj1yy4dJynqdMDvVdbAC9qcZrfVnwWHUDSd56

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