{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949644,-0.313332,0.000000,0.000000,0.174765,-0.529678,0.829999,0.000000,-0.259520,0.786551,0.560346,0.000000,-1656995.032144,5022008.332327,3553774.912590,1],    "boundingVolume": {    "region": [1.889415,0.594671,1.889577,0.594936,0.000000,8.789707]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1379481.b3dm"}}}