{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949854,-0.312695,0.000000,0.000000,0.174793,-0.530957,0.829175,0.000000,-0.258733,0.785936,0.561571,0.000000,-1651979.004768,5018108.187902,3561558.463314,1],    "boundingVolume": {    "region": [1.888740,0.596180,1.888911,0.596385,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1440554.b3dm"}}}