{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944016,-0.329899,0.000000,0.000000,0.184333,-0.527475,0.829332,0.000000,-0.273020,0.781255,0.561338,0.000000,-1743200.729066,4988215.826189,3560079.797595,1],    "boundingVolume": {    "region": [1.906946,0.595944,1.907041,0.596059,0.000000,8.773497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1270589.b3dm"}}}