{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943983,-0.329994,0.000000,0.000000,0.184315,-0.527253,0.829477,0.000000,-0.273147,0.781366,0.561123,0.000000,-1744006.259601,4988917.699740,3558710.737178,1],    "boundingVolume": {    "region": [1.907046,0.595684,1.907141,0.595799,0.000000,8.753772]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1297657.b3dm"}}}