{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949524,-0.313693,0.000000,0.000000,0.175156,-0.530184,0.829594,0.000000,-0.259691,0.786064,0.560949,0.000000,-1658090.124850,5018912.447890,3557609.806960,1],    "boundingVolume": {    "region": [1.889795,0.595399,1.889957,0.595665,0.000000,8.792672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/15_1367127.b3dm"}}}