{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943987,-0.329984,0.000000,0.000000,0.184445,-0.527643,0.829200,0.000000,-0.273046,0.781105,0.561534,0.000000,-1743366.627979,4987262.437158,3561325.661076,1],    "boundingVolume": {    "region": [1.907035,0.596181,1.907130,0.596296,0.000000,8.725396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1300442.b3dm"}}}