{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949629,-0.313378,0.000000,0.000000,0.175158,-0.530782,0.829211,0.000000,-0.259309,0.785784,0.561518,0.000000,-1655656.670333,5017135.256374,3561223.664165,1],    "boundingVolume": {    "region": [1.889495,0.596178,1.889594,0.596260,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443514.b3dm"}}}