{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950354,-0.311172,0.000000,0.000000,0.173912,-0.531148,0.829239,0.000000,-0.257492,0.786411,0.561477,0.000000,-1644056.745278,5021136.281545,3560960.498150,1],    "boundingVolume": {    "region": [1.887146,0.596077,1.887298,0.596262,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431821.b3dm"}}}