{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950167,-0.311741,0.000000,0.000000,0.173999,-0.530338,0.829738,0.000000,-0.258121,0.786734,0.560734,0.000000,-1648063.513048,5023187.877153,3556243.561827,1],    "boundingVolume": {    "region": [1.887772,0.595214,1.887871,0.595331,0.000000,7.896787]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1454413.b3dm"}}}