{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950221,-0.311576,0.000000,0.000000,0.173877,-0.530279,0.829802,0.000000,-0.258004,0.786840,0.560640,0.000000,-1647315.970746,5023862.045563,3555641.595478,1],    "boundingVolume": {    "region": [1.887598,0.595100,1.887697,0.595217,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453759.b3dm"}}}