Transaction not yet indexed

AT3MH6z31Q4tCHAKPpP9P5it1u8CfyFSQLGyHb92nsZ7y9UJwsR3QpFVaUJq7L6CGM5KpS3WeR568YFy5qeXqB4

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