{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943986,-0.329985,0.000000,0.000000,0.184171,-0.526856,0.829762,0.000000,-0.273234,0.781639,0.560700,0.000000,-1744560.812414,4990653.042076,3556022.838595,1],    "boundingVolume": {    "region": [1.907036,0.595173,1.907132,0.595288,0.000000,8.731361]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1276281.b3dm"}}}