{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950608,-0.310393,0.000000,0.000000,0.173236,-0.530552,0.829761,0.000000,-0.257012,0.787121,0.560701,0.000000,-1640982.936217,5025658.679162,3556028.433329,1],    "boundingVolume": {    "region": [1.886345,0.595174,1.886461,0.595289,0.000000,8.806847]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1450293.b3dm"}}}