{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950571,-0.310506,0.000000,0.000000,0.173646,-0.531594,0.829008,0.000000,-0.256869,0.786370,0.561818,0.000000,-1640082.139447,5020884.929889,3563132.417644,1],    "boundingVolume": {    "region": [1.886473,0.596533,1.886571,0.596632,0.000000,12.476542]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1329572.b3dm"}}}