{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948810,-0.315847,0.000000,0.000000,0.176312,-0.529646,0.829692,0.000000,-0.261505,0.785567,0.560803,0.000000,-1669672.523814,5015735.317340,3556679.638152,1],    "boundingVolume": {    "region": [1.892097,0.595244,1.892193,0.595467,0.000000,8.749932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072937.b3dm"}}}