{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949726,-0.313082,0.000000,0.000000,0.174978,-0.530790,0.829243,0.000000,-0.259075,0.785896,0.561470,0.000000,-1654161.133396,5017848.414073,3560915.919641,1],    "boundingVolume": {    "region": [1.889157,0.596077,1.889310,0.596245,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1435181.b3dm"}}}