{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950246,-0.311500,0.000000,0.000000,0.173923,-0.530560,0.829612,0.000000,-0.257881,0.786679,0.560922,0.000000,-1646535.035355,5022841.491787,3557432.611150,1],    "boundingVolume": {    "region": [1.887517,0.595440,1.887617,0.595557,0.000000,8.687060]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1344546.b3dm"}}}