{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896329,-0.443390,0.000000,0.000000,0.283698,-0.573506,0.768509,0.000000,-0.339810,0.686938,0.642375,0.000000,-2170353.448196,4387447.847394,4075360.783280,1],    "boundingVolume": {    "region": [2.030107,0.697534,2.030240,0.697653,0.000000,38.558954]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_536657.b3dm"}}}