{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950828,-0.309721,0.000000,0.000000,0.173224,-0.531788,0.828972,0.000000,-0.256209,0.786547,0.561872,0.000000,-1635862.793646,5022017.269997,3563473.949047,1],    "boundingVolume": {    "region": [1.885613,0.596563,1.885778,0.596732,0.000000,8.767975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1386691.b3dm"}}}