{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898101,-0.439788,0.000000,0.000000,0.284309,-0.580594,0.762941,0.000000,-0.334588,0.683270,0.648993,0.000000,-2137065.824547,4364147.876497,4117467.214439,1],    "boundingVolume": {    "region": [2.026093,0.706149,2.026226,0.706372,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821291.b3dm"}}}