{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898022,-0.439951,0.000000,0.000000,0.284392,-0.580497,0.762984,0.000000,-0.334731,0.683249,0.648942,0.000000,-2137975.981190,4364010.831550,4117142.151347,1],    "boundingVolume": {    "region": [2.026274,0.706082,2.026406,0.706305,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820785.b3dm"}}}