{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943992,-0.329968,0.000000,0.000000,0.184186,-0.526929,0.829711,0.000000,-0.273203,0.781596,0.560774,0.000000,-1744365.626738,4990381.433027,3556496.541473,1],    "boundingVolume": {    "region": [1.907018,0.595263,1.907114,0.595378,0.000000,8.821102]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1310492.b3dm"}}}