{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948995,-0.315292,0.000000,0.000000,0.175954,-0.529602,0.829796,0.000000,-0.261079,0.785819,0.560648,0.000000,-1666951.989047,5017342.949675,3555694.750653,1],    "boundingVolume": {    "region": [1.891513,0.595073,1.891608,0.595263,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074124.b3dm"}}}