{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943916,-0.330186,0.000000,0.000000,0.184399,-0.527149,0.829524,0.000000,-0.273321,0.781355,0.561052,0.000000,-1745120.374649,4988848.481818,3558264.585754,1],    "boundingVolume": {    "region": [1.907249,0.595599,1.907345,0.595714,0.000000,8.583567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1273941.b3dm"}}}