{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898108,-0.439775,0.000000,0.000000,0.284299,-0.580597,0.762942,0.000000,-0.334578,0.683277,0.648992,0.000000,-2137002.321126,4364189.088611,4117456.564166,1],    "boundingVolume": {    "region": [2.026078,0.706147,2.026210,0.706370,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821284.b3dm"}}}