{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944266,-0.329183,0.000000,0.000000,0.183952,-0.527670,0.829292,0.000000,-0.272414,0.781424,0.561397,0.000000,-1739328.857415,4989296.865320,3560456.140848,1],    "boundingVolume": {    "region": [1.906177,0.596036,1.906291,0.596111,0.000000,8.663361]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_730415.b3dm"}}}