{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949102,-0.314970,0.000000,0.000000,0.116070,-0.349754,0.929623,0.000000,-0.292535,0.881498,0.370654,0.000000,-1866687.672970,5624901.453926,2349339.144375,1],    "boundingVolume": {    "region": [1.891167,0.379656,1.891276,0.379771,0.000000,65.249220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/19_75502.b3dm"}}}