{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943251,-0.332082,0.000000,0.000000,0.186213,-0.528922,0.827989,0.000000,-0.274378,0.779346,0.563326,0.000000,-1751879.759739,4976065.040328,3572716.144611,1],    "boundingVolume": {    "region": [1.909234,0.598357,1.909379,0.598455,0.000000,8.566934]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_545520.b3dm"}}}