{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952687,-0.303952,0.000000,0.000000,0.113866,-0.356895,0.927179,0.000000,-0.281551,0.882475,0.376786,0.000000,-1796624.549875,5631219.945643,2388240.715701,1],    "boundingVolume": {    "region": [1.879562,0.386284,1.879707,0.386364,0.000000,10.004041]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/16.b3dm"}}}