{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949621,-0.313402,0.000000,0.000000,0.175026,-0.530337,0.829523,0.000000,-0.259428,0.786076,0.561055,0.000000,-1656410.313680,5018990.297223,3558277.924523,1],    "boundingVolume": {    "region": [1.889520,0.595618,1.889619,0.595700,0.000000,8.634128]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366046.b3dm"}}}