{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950224,-0.311568,0.000000,0.000000,0.174384,-0.531839,0.828696,0.000000,-0.257650,0.785784,0.562281,0.000000,-1645068.246702,5017151.402231,3566071.867935,1],    "boundingVolume": {    "region": [1.887563,0.597049,1.887715,0.597234,0.000000,8.770137]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1325868.b3dm"}}}