{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950712,-0.310076,0.000000,0.000000,0.173133,-0.530837,0.829600,0.000000,-0.256699,0.787053,0.560939,0.000000,-1638986.641791,5025229.507338,3557545.059686,1],    "boundingVolume": {    "region": [1.886012,0.595463,1.886127,0.595577,0.000000,8.761692]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/10_1451604.b3dm"}}}