{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949736,-0.313051,0.000000,0.000000,0.174966,-0.530812,0.829232,0.000000,-0.259045,0.785893,0.561487,0.000000,-1653971.784640,5017832.983377,3561024.881292,1],    "boundingVolume": {    "region": [1.889123,0.596097,1.889277,0.596266,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436181.b3dm"}}}