{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943850,-0.330375,0.000000,0.000000,0.184103,-0.525966,0.830341,0.000000,-0.273749,0.782076,0.559837,0.000000,-1747845.650583,4993431.442906,3550542.092200,1],    "boundingVolume": {    "region": [1.907442,0.594099,1.907552,0.594280,0.000000,11.359281]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1242933.b3dm"}}}