{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898437,-0.439103,0.000000,0.000000,0.283591,-0.580249,0.763471,0.000000,-0.334300,0.684003,0.648369,0.000000,-2135219.853174,4368819.630681,4113495.450998,1],    "boundingVolume": {    "region": [2.025330,0.705329,2.025462,0.705552,0.000000,20.869209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1831802.b3dm"}}}