{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943896,-0.330244,0.000000,0.000000,0.184535,-0.527434,0.829313,0.000000,-0.273299,0.781137,0.561366,0.000000,-1744978.853660,4987464.683503,3560259.859348,1],    "boundingVolume": {    "region": [1.907310,0.595978,1.907406,0.596093,0.000000,8.365359]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1270123.b3dm"}}}