Transaction not yet indexed

mu9b8khxmqD2GWMAapUt3i2m7Yq1nZQxZYBFMQaPoA8SccmXjS7MQKfFgQNChf7gFXGW1hcLHiTDdfHphajBLv7

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