{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896956,-0.442121,0.000000,0.000000,0.282255,-0.572627,0.769695,0.000000,-0.339364,0.688487,0.640951,0.000000,-2167491.790698,4397316.162234,4066298.730452,1],    "boundingVolume": {    "region": [2.028666,0.695680,2.028849,0.695792,0.000000,39.312162]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_444470.b3dm"}}}