{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943914,-0.330192,0.000000,0.000000,0.184493,-0.527408,0.829339,0.000000,-0.273265,0.781177,0.561328,0.000000,-1744761.605419,4987716.807409,3560014.773187,1],    "boundingVolume": {    "region": [1.907256,0.595932,1.907351,0.596047,0.000000,8.697752]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1270928.b3dm"}}}