{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942913,-0.333039,0.000000,0.000000,0.186546,-0.528157,0.828403,0.000000,-0.275307,0.779460,0.562715,0.000000,-1757810.791353,4976778.247814,3568833.561889,1],    "boundingVolume": {    "region": [1.910259,0.597636,1.910384,0.597698,0.000000,8.561636]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/15_1255242.b3dm"}}}