{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950387,-0.311069,0.000000,0.000000,0.174058,-0.531788,0.828797,0.000000,-0.257269,0.786016,0.562131,0.000000,-1642633.302091,5018630.824611,3565118.873075,1],    "boundingVolume": {    "region": [1.887065,0.596911,1.887162,0.597009,0.000000,8.736607]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1396880.b3dm"}}}