{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949734,-0.313059,0.000000,0.000000,0.174971,-0.530813,0.829230,0.000000,-0.259052,0.785889,0.561489,0.000000,-1654013.023474,5017808.450039,3561040.193615,1],    "boundingVolume": {    "region": [1.889132,0.596100,1.889285,0.596268,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436291.b3dm"}}}