{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950373,-0.311114,0.000000,0.000000,0.174007,-0.531546,0.828964,0.000000,-0.257359,0.786163,0.561885,0.000000,-1643205.502818,5019562.901474,3563553.180924,1],    "boundingVolume": {    "region": [1.887113,0.596613,1.887210,0.596712,0.000000,8.795234]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1399717.b3dm"}}}