{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949296,-0.314383,0.000000,0.000000,0.175718,-0.530588,0.829216,0.000000,-0.260143,0.785514,0.561510,0.000000,-1660980.670171,5015411.163538,3561173.355210,1],    "boundingVolume": {    "region": [1.890535,0.596156,1.890672,0.596263,0.000000,8.819522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1446358.b3dm"}}}