Transaction not yet indexed

LMN2sxVh7cuqN5qP8RJw4aTPrMdkx3Z6mmyVf4wDKvyaooDAHWE2JcD1zt7AbB8fZFkUeAS2qFY4ZCRFbLPkiu1

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