{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951028,-0.309105,0.000000,0.000000,0.172734,-0.531454,0.829289,0.000000,-0.255798,0.787017,0.561402,0.000000,-1633235.977175,5025003.354638,3560488.169768,1],    "boundingVolume": {    "region": [1.884975,0.595970,1.885121,0.596189,0.000000,8.801998]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1339424.b3dm"}}}