{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898100,-0.439792,0.000000,0.000000,0.284311,-0.580592,0.762942,0.000000,-0.334591,0.683269,0.648993,0.000000,-2137084.139565,4364142.928910,4117462.980985,1],    "boundingVolume": {    "region": [2.026097,0.706148,2.026229,0.706371,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821285.b3dm"}}}