{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949204,-0.314662,0.000000,0.000000,0.115617,-0.348769,0.930050,0.000000,-0.292385,0.882002,0.369572,0.000000,-1865721.747439,5628103.242385,2342474.539088,1],    "boundingVolume": {    "region": [1.890844,0.378514,1.890949,0.378584,0.000000,18.295465]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/15_9608.b3dm"}}}