Transaction not yet indexed

Mym56wcKC5XeJrFChVLTNZ6NtdVhJBpcpZYBBf3mBu2HgEb5VECqjAMb6snPQEXjVQ9LPnCaa9EUDn9aRzS6dGZ

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