{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950287,-0.311374,0.000000,0.000000,0.173743,-0.530248,0.829850,0.000000,-0.257852,0.786941,0.560568,0.000000,-1646345.885575,5024504.045950,3555186.778424,1],    "boundingVolume": {    "region": [1.887385,0.595013,1.887485,0.595130,0.000000,8.804247]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1452896.b3dm"}}}