{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950242,-0.311514,0.000000,0.000000,0.173907,-0.530485,0.829664,0.000000,-0.257909,0.786724,0.560845,0.000000,-1646712.480553,5023127.801012,3556949.440879,1],    "boundingVolume": {    "region": [1.887532,0.595348,1.887632,0.595465,0.000000,8.800865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454717.b3dm"}}}