{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898762,-0.438436,0.000000,0.000000,0.283238,-0.580617,0.763321,0.000000,-0.333727,0.684117,0.648545,0.000000,-2131562.167475,4369545.149520,4114614.136207,1],    "boundingVolume": {    "region": [2.024572,0.705612,2.024737,0.705731,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832885.b3dm"}}}