{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950025,-0.312174,0.000000,0.000000,0.174236,-0.530246,0.829748,0.000000,-0.258482,0.786626,0.560720,0.000000,-1650368.438345,5022495.766242,3556152.796185,1],    "boundingVolume": {    "region": [1.888195,0.595190,1.888359,0.595321,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456710.b3dm"}}}