{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948979,-0.315339,0.000000,0.000000,0.176264,-0.530448,0.829190,0.000000,-0.260925,0.785227,0.561549,0.000000,-1665974.998604,5013578.613954,3561419.180233,1],    "boundingVolume": {    "region": [1.891541,0.596203,1.891679,0.596310,0.000000,8.752947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1150695.b3dm"}}}