{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949434,-0.313966,0.000000,0.000000,0.175519,-0.530769,0.829143,0.000000,-0.259775,0.785558,0.561619,0.000000,-1658629.965396,5015694.070739,3561865.800001,1],    "boundingVolume": {    "region": [1.890115,0.596300,1.890214,0.596382,0.000000,8.778918]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1408856.b3dm"}}}