{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857983,-0.513678,0.000000,0.000000,0.262900,-0.439116,0.859105,0.000000,-0.440524,0.735795,0.514339,0.000000,-2812211.741020,4697163.094799,3261451.685408,1],    "boundingVolume": {    "region": [2.110180,0.540174,2.110345,0.540299,0.000000,14.037033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_380036.b3dm"}}}