{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898094,-0.439804,0.000000,0.000000,0.284295,-0.580539,0.762988,0.000000,-0.334621,0.683307,0.648938,0.000000,-2137276.004926,4364382.154412,4117112.177345,1],    "boundingVolume": {    "region": [2.026111,0.706076,2.026243,0.706299,0.000000,10.642843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820693.b3dm"}}}