{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943851,-0.330371,0.000000,0.000000,0.184570,-0.527306,0.829387,0.000000,-0.273429,0.781171,0.561257,0.000000,-1745809.146060,4987674.524194,3559563.472768,1],    "boundingVolume": {    "region": [1.907445,0.595846,1.907541,0.595961,0.000000,8.794809]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1271633.b3dm"}}}