{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896165,-0.443721,0.000000,0.000000,0.288200,-0.582065,0.760356,0.000000,-0.336427,0.679469,0.652027,0.000000,-2148838.757936,4339925.412675,4136766.741357,1],    "boundingVolume": {    "region": [2.030453,0.710202,2.030632,0.710307,0.000000,10.667700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784871.b3dm"}}}