{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949168,-0.314769,0.000000,0.000000,0.175946,-0.530554,0.829189,0.000000,-0.260453,0.785383,0.561550,0.000000,-1662962.781007,5014574.815978,3561424.398336,1],    "boundingVolume": {    "region": [1.890941,0.596204,1.891078,0.596311,0.000000,10.345982]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1446985.b3dm"}}}