{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898200,-0.439588,0.000000,0.000000,0.283895,-0.580076,0.763489,0.000000,-0.334678,0.683839,0.648348,0.000000,-2137630.304422,4367770.614829,4113358.450949,1],    "boundingVolume": {    "region": [2.025870,0.705301,2.026002,0.705523,0.000000,9.303141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1835803.b3dm"}}}