{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950689,-0.310146,0.000000,0.000000,0.173286,-0.531173,0.829354,0.000000,-0.256679,0.786798,0.561306,0.000000,-1638865.141818,5023608.543625,3559873.902670,1],    "boundingVolume": {    "region": [1.886085,0.595905,1.886201,0.596020,0.000000,8.651722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1342836.b3dm"}}}