{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943825,-0.330445,0.000000,0.000000,0.184526,-0.527046,0.829562,0.000000,-0.273549,0.781315,0.560997,0.000000,-1746571.814529,4988594.452770,3557910.960235,1],    "boundingVolume": {    "region": [1.907524,0.595532,1.907620,0.595647,0.000000,8.051601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1274264.b3dm"}}}