{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948908,-0.315553,0.000000,0.000000,0.176033,-0.529352,0.829939,0.000000,-0.261340,0.785884,0.560435,0.000000,-1668620.424406,5017752.180295,3554343.547229,1],    "boundingVolume": {    "region": [1.891788,0.594816,1.891883,0.595007,0.000000,17.006980]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/28_1076486.b3dm"}}}