{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857985,-0.513675,0.000000,0.000000,0.262903,-0.439124,0.859100,0.000000,-0.440519,0.735792,0.514347,0.000000,-2812178.956827,4697145.762122,3261504.559474,1],    "boundingVolume": {    "region": [2.110177,0.540184,2.110341,0.540309,0.000000,16.055300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_380510.b3dm"}}}