{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950357,-0.311161,0.000000,0.000000,0.173853,-0.530987,0.829354,0.000000,-0.257519,0.786524,0.561306,0.000000,-1644227.389468,5021854.726918,3559875.736737,1],    "boundingVolume": {    "region": [1.887161,0.595904,1.887260,0.596021,0.000000,8.808885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1430200.b3dm"}}}