{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897740,-0.440525,0.000000,0.000000,0.282876,-0.576468,0.766594,0.000000,-0.336766,0.686291,0.644665,0.000000,-2150934.848792,4383360.412183,4089929.980884,1],    "boundingVolume": {    "region": [2.026917,0.700551,2.027043,0.700620,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_857965.b3dm"}}}