{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950062,-0.312062,0.000000,0.000000,0.173980,-0.529678,0.830164,0.000000,-0.258520,0.787054,0.560101,0.000000,-1650607.327718,5025220.524761,3552216.926970,1],    "boundingVolume": {    "region": [1.888077,0.594442,1.888241,0.594573,0.000000,9.930278]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1378442.b3dm"}}}