{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949302,-0.314364,0.000000,0.000000,0.175704,-0.530582,0.829223,0.000000,-0.260129,0.785526,0.561500,0.000000,-1660893.611028,5015485.719722,3561109.387602,1],    "boundingVolume": {    "region": [1.890515,0.596144,1.890652,0.596251,0.000000,8.819522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1446100.b3dm"}}}