{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948844,-0.315745,0.000000,0.000000,0.176525,-0.530474,0.829118,0.000000,-0.261238,0.785046,0.561656,0.000000,-1667975.249712,5012427.688379,3562098.317297,1],    "boundingVolume": {    "region": [1.891969,0.596332,1.892107,0.596439,0.000000,8.797005]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112449.b3dm"}}}