Transaction not yet indexed

HMMpmkZAeMgB6egsc8p8JTZcr4Vt8uhu8NMsTk4n78mryPump1nSpXzfYhspFdSXjw8GfQNL7tFDP1hpE5ZGSNp

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