{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897994,-0.440008,0.000000,0.000000,0.284425,-0.580471,0.762992,0.000000,-0.334778,0.683234,0.648934,0.000000,-2138277.081506,4363915.175533,4117087.541266,1],    "boundingVolume": {    "region": [2.026338,0.706071,2.026471,0.706293,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820637.b3dm"}}}