{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944305,-0.329071,0.000000,0.000000,0.183947,-0.527856,0.829175,0.000000,-0.272283,0.781345,0.561571,0.000000,-1738491.688146,4988794.270194,3561561.642397,1],    "boundingVolume": {    "region": [1.906058,0.596246,1.906173,0.596321,0.000000,7.798717]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_729918.b3dm"}}}