{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943976,-0.330014,0.000000,0.000000,0.184187,-0.526851,0.829761,0.000000,-0.273258,0.781629,0.560701,0.000000,-1744713.918573,4990594.139062,3556030.338066,1],    "boundingVolume": {    "region": [1.907067,0.595175,1.907163,0.595289,0.000000,8.731361]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1276275.b3dm"}}}