{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943939,-0.330121,0.000000,0.000000,0.184451,-0.527415,0.829344,0.000000,-0.273208,0.781202,0.561321,0.000000,-1744396.041002,4987877.928391,3559968.488699,1],    "boundingVolume": {    "region": [1.907180,0.595923,1.907276,0.596038,0.000000,8.810059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1298343.b3dm"}}}