Transaction not yet indexed

Me8LdU8WAHSm4sTGdjf4NNmAxUrGE7WbMHfD3yswouJmqXr5A66zJq3Zk17LB7ajXVBjpr4eeMnkUNxSfWs26T4

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