{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950470,-0.310815,0.000000,0.000000,0.173523,-0.530632,0.829650,0.000000,-0.257326,0.786901,0.560865,0.000000,-1642991.937504,5024257.143306,3557074.064460,1],    "boundingVolume": {    "region": [1.886797,0.595372,1.886897,0.595489,0.000000,8.795505]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/10_1451121.b3dm"}}}