{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944128,-0.329578,0.000000,0.000000,0.184222,-0.527733,0.829192,0.000000,-0.272708,0.781215,0.561546,0.000000,-1741205.272871,4987964.992383,3561398.631231,1],    "boundingVolume": {    "region": [1.906595,0.596215,1.906710,0.596290,0.000000,8.541490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/4_1266506.b3dm"}}}