{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949068,-0.315073,0.000000,0.000000,0.115778,-0.348748,0.930038,0.000000,-0.292762,0.881864,0.369603,0.000000,-1868131.572626,5627221.196816,2342671.662287,1],    "boundingVolume": {    "region": [1.891277,0.378547,1.891382,0.378617,0.000000,74.522100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/16_9831.b3dm"}}}