{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949004,-0.315264,0.000000,0.000000,0.175934,-0.529596,0.829805,0.000000,-0.261058,0.785835,0.560636,0.000000,-1666819.699609,5017442.940911,3555616.199292,1],    "boundingVolume": {    "region": [1.891484,0.595058,1.891578,0.595249,0.000000,8.772595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1074365.b3dm"}}}