{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950604,-0.310407,0.000000,0.000000,0.173385,-0.530981,0.829455,0.000000,-0.256927,0.786825,0.561155,0.000000,-1640446.482224,5023777.025751,3558914.123357,1],    "boundingVolume": {    "region": [1.886359,0.595723,1.886475,0.595837,0.000000,8.762512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1424733.b3dm"}}}