{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949107,-0.314954,0.000000,0.000000,0.115973,-0.349483,0.929737,0.000000,-0.292556,0.881612,0.370366,0.000000,-1866821.924020,5625626.927275,2347507.023177,1],    "boundingVolume": {    "region": [1.891150,0.379345,1.891259,0.379460,0.000000,73.784420]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6959.b3dm"}}}