{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950434,-0.310927,0.000000,0.000000,0.174026,-0.531957,0.828696,0.000000,-0.257120,0.785958,0.562281,0.000000,-1641685.204363,5018258.297960,3566073.410220,1],    "boundingVolume": {    "region": [1.886916,0.597092,1.887014,0.597191,0.000000,8.777630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1384122.b3dm"}}}