{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897887,-0.440226,0.000000,0.000000,0.282599,-0.576390,0.766755,0.000000,-0.336609,0.686549,0.644473,0.000000,-2149928.110037,4385001.055395,4088708.678702,1],    "boundingVolume": {    "region": [2.026584,0.700300,2.026710,0.700369,0.000000,13.719550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852002.b3dm"}}}