{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858216,-0.513289,0.000000,0.000000,0.262926,-0.439610,0.858844,0.000000,-0.440055,0.735769,0.514777,0.000000,-2809223.850272,4697004.841825,3264234.610754,1],    "boundingVolume": {    "region": [2.109727,0.540685,2.109891,0.540810,0.000000,73.722900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_434448.b3dm"}}}