{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949487,-0.313807,0.000000,0.000000,0.175242,-0.530231,0.829545,0.000000,-0.259769,0.785986,0.561022,0.000000,-1658593.475966,5018417.920346,3558069.668424,1],    "boundingVolume": {    "region": [1.889915,0.595487,1.890077,0.595752,0.000000,6.328387]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1366430.b3dm"}}}