{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943940,-0.330118,0.000000,0.000000,0.184328,-0.527068,0.829592,0.000000,-0.273287,0.781439,0.560952,0.000000,-1744903.216957,4989382.426620,3557626.669015,1],    "boundingVolume": {    "region": [1.907177,0.595478,1.907272,0.595593,0.000000,8.723786]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1274694.b3dm"}}}