{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950617,-0.310366,0.000000,0.000000,0.173287,-0.530760,0.829617,0.000000,-0.256944,0.786991,0.560914,0.000000,-1640552.446872,5024831.574943,3557386.481895,1],    "boundingVolume": {    "region": [1.886317,0.595433,1.886432,0.595547,0.000000,8.777683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1451484.b3dm"}}}