{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897729,-0.440548,0.000000,0.000000,0.282891,-0.576463,0.766592,0.000000,-0.336783,0.686281,0.644667,0.000000,-2151040.386057,4383298.301236,4089940.968956,1],    "boundingVolume": {    "region": [2.026942,0.700553,2.027068,0.700622,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858019.b3dm"}}}