{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897731,-0.440543,0.000000,0.000000,0.282897,-0.576482,0.766576,0.000000,-0.336772,0.686268,0.644687,0.000000,-2150972.249463,4383213.783974,4090066.534097,1],    "boundingVolume": {    "region": [2.026937,0.700579,2.027063,0.700648,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858319.b3dm"}}}