{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942971,-0.332876,0.000000,0.000000,0.186478,-0.528256,0.828355,0.000000,-0.275156,0.779462,0.562786,0.000000,-1756846.237742,4976793.934078,3569283.581337,1],    "boundingVolume": {    "region": [1.910085,0.597713,1.910211,0.597792,0.000000,7.741609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1254945.b3dm"}}}