{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944024,-0.329878,0.000000,0.000000,0.184309,-0.527445,0.829356,0.000000,-0.273011,0.781285,0.561302,0.000000,-1743137.684879,4988403.063495,3559849.855972,1],    "boundingVolume": {    "region": [1.906923,0.595901,1.907018,0.596015,0.000000,8.773497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1266947.b3dm"}}}