{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943562,-0.331197,0.000000,0.000000,0.185662,-0.528941,0.828101,0.000000,-0.273683,0.779709,0.563162,0.000000,-1747446.133116,4978377.694170,3571672.496936,1],    "boundingVolume": {    "region": [1.908296,0.598159,1.908440,0.598256,0.000000,8.543059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_1248255.b3dm"}}}