{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943086,-0.332549,0.000000,0.000000,0.186545,-0.529028,0.827847,0.000000,-0.274716,0.779075,0.563537,0.000000,-1754041.405475,4974336.280256,3574053.654455,1],    "boundingVolume": {    "region": [1.909729,0.598612,1.909874,0.598710,0.000000,8.820447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_657643.b3dm"}}}