{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950279,-0.311400,0.000000,0.000000,0.173839,-0.530493,0.829673,0.000000,-0.257817,0.786764,0.560832,0.000000,-1646125.806100,5023382.091695,3556862.463633,1],    "boundingVolume": {    "region": [1.887412,0.595332,1.887512,0.595449,0.000000,7.777886]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1345186.b3dm"}}}