{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949720,-0.313101,0.000000,0.000000,0.174993,-0.530799,0.829234,0.000000,-0.259088,0.785882,0.561483,0.000000,-1654242.827362,5017760.328283,3561001.515890,1],    "boundingVolume": {    "region": [1.889177,0.596093,1.889330,0.596261,0.000000,17.871203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1435934.b3dm"}}}