Transaction not yet indexed

21mNACQBcJBkuvqDNPiCFedQLgQKDJwAzAEX7QqZFMTvFoCQ9CKvqev3R3jSJdHWeS18QX2Ds7KZzJYC8wMF5i23

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