{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950519,-0.310667,0.000000,0.000000,0.173545,-0.530979,0.829424,0.000000,-0.257133,0.786724,0.561202,0.000000,-1641760.457264,5023132.572170,3559215.825552,1],    "boundingVolume": {    "region": [1.886634,0.595780,1.886749,0.595895,0.000000,8.812857]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1343311.b3dm"}}}