{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949912,-0.312516,0.000000,0.000000,0.174317,-0.529846,0.829986,0.000000,-0.258840,0.786761,0.560366,0.000000,-1652657.169996,5023348.959462,3553899.254278,1],    "boundingVolume": {    "region": [1.888555,0.594762,1.888719,0.594893,0.000000,13.398955]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1376237.b3dm"}}}