{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949207,-0.314653,0.000000,0.000000,0.116550,-0.351594,0.928869,0.000000,-0.292001,0.880872,0.372559,0.000000,-1863288.460424,5620933.334277,2361422.156570,1],    "boundingVolume": {    "region": [1.890819,0.381715,1.890957,0.381815,0.000000,29.734073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68398.b3dm"}}}