{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949641,-0.313339,0.000000,0.000000,0.175143,-0.530810,0.829195,0.000000,-0.259272,0.785780,0.561541,0.000000,-1655418.642862,5017110.463913,3561368.268703,1],    "boundingVolume": {    "region": [1.889454,0.596206,1.889552,0.596288,0.000000,14.528207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/12_1443875.b3dm"}}}