Transaction not yet indexed

MpB6RXC3k5NRSnUYhsGginZs7qf99tGbzXwjnNyQiAqpRvh7Gafq53LdnnicS2XNumr756KsMatGaGXjvXP2xWv

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