{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950373,-0.311113,0.000000,0.000000,0.174077,-0.531762,0.828810,0.000000,-0.257310,0.786016,0.562112,0.000000,-1642894.617658,5018630.327216,3564999.961592,1],    "boundingVolume": {    "region": [1.887112,0.596888,1.887209,0.596987,0.000000,8.811348]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1400870.b3dm"}}}