{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943133,-0.332416,0.000000,0.000000,0.186178,-0.528226,0.828441,0.000000,-0.274805,0.779678,0.562658,0.000000,-1754605.634039,4978170.917203,3568470.867606,1],    "boundingVolume": {    "region": [1.909598,0.597558,1.909723,0.597638,0.000000,8.797177]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1286494.b3dm"}}}