Transaction not yet indexed

PMMmKh1AbKsaYZFFVYoE44eGPRJKhkP2Lym7Y1Vej6KYVGyzN4GRA7Vd9xJbnWgCcgFKkBnFmPC5meSWGjA1EKH

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