{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949147,-0.314833,0.000000,0.000000,0.116358,-0.350791,0.929197,0.000000,-0.292272,0.881131,0.371733,0.000000,-1865014.899020,5622573.635113,2356183.722280,1],    "boundingVolume": {    "region": [1.891008,0.380826,1.891147,0.380925,0.000000,9.123712]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/9_71966.b3dm"}}}