{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950234,-0.311536,0.000000,0.000000,0.173919,-0.530479,0.829665,0.000000,-0.257928,0.786720,0.560843,0.000000,-1646833.595038,5023099.468495,3556933.486677,1],    "boundingVolume": {    "region": [1.887556,0.595345,1.887655,0.595462,0.000000,8.800865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454683.b3dm"}}}