{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894737,-0.446593,0.000000,0.000000,0.284755,-0.570499,0.770355,0.000000,-0.343093,0.687378,0.640155,0.000000,-2191300.825892,4390216.265628,4061240.494926,1],    "boundingVolume": {    "region": [2.033683,0.694638,2.033817,0.694763,0.000000,50.470221]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_984146.b3dm"}}}