Transaction not yet indexed

MRvwrmbTEkWLHKRqyEHm2nftA5FGKqnK5y8Z8etFBNAS1Kw8pXpHPZzQtb5QoGLccVZh2Dpn9uYqfZPTqam4Que

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