{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950130,-0.311855,0.000000,0.000000,0.115626,-0.352278,0.928725,0.000000,-0.289359,0.881591,0.372920,0.000000,-1846428.456486,5625524.582486,2363715.745211,1],    "boundingVolume": {    "region": [1.887863,0.382090,1.888019,0.382219,0.000000,7.687653]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/0_63393.b3dm"}}}