{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950861,-0.309618,0.000000,0.000000,0.172995,-0.531281,0.829345,0.000000,-0.256240,0.786933,0.561318,0.000000,-1636057.159636,5024465.912561,3559954.961783,1],    "boundingVolume": {    "region": [1.885514,0.595868,1.885660,0.596088,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339734.b3dm"}}}