{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949625,-0.313387,0.000000,0.000000,0.175167,-0.530792,0.829202,0.000000,-0.259314,0.785773,0.561530,0.000000,-1655689.446004,5017068.172333,3561302.403596,1],    "boundingVolume": {    "region": [1.889505,0.596193,1.889604,0.596275,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443685.b3dm"}}}