{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949232,-0.314578,0.000000,0.000000,0.175353,-0.529124,0.830229,0.000000,-0.260624,0.786429,0.560005,0.000000,-1664045.764852,5021222.516766,3551604.764980,1],    "boundingVolume": {    "region": [1.890727,0.594258,1.890889,0.594524,0.000000,8.605786]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_1382207.b3dm"}}}