{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949117,-0.314923,0.000000,0.000000,0.115985,-0.349557,0.929708,0.000000,-0.292519,0.881594,0.370439,0.000000,-1866580.874642,5625510.102534,2347975.456810,1],    "boundingVolume": {    "region": [1.891118,0.379424,1.891226,0.379540,0.000000,41.277450]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/17_7266.b3dm"}}}