{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948861,-0.315693,0.000000,0.000000,0.176356,-0.530064,0.829416,0.000000,-0.261290,0.785345,0.561214,0.000000,-1668303.970748,5014325.744835,3559290.816673,1],    "boundingVolume": {    "region": [1.891915,0.595798,1.892052,0.595905,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147447.b3dm"}}}