{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949895,-0.312568,0.000000,0.000000,0.174687,-0.530874,0.829251,0.000000,-0.258652,0.786043,0.561458,0.000000,-1651461.302535,5018789.292871,3560843.582714,1],    "boundingVolume": {    "region": [1.888607,0.596044,1.888778,0.596249,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434833.b3dm"}}}