{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897649,-0.440711,0.000000,0.000000,0.283143,-0.576711,0.766312,0.000000,-0.336783,0.685968,0.645000,0.000000,-2151047.174592,4381300.113164,4092063.561995,1],    "boundingVolume": {    "region": [2.027123,0.700989,2.027250,0.701058,0.000000,16.084312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861770.b3dm"}}}