{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943770,-0.330602,0.000000,0.000000,0.184204,-0.525847,0.830394,0.000000,-0.273956,0.782061,0.559758,0.000000,-1749162.766722,4993330.539310,3550038.728045,1],    "boundingVolume": {    "region": [1.907683,0.594004,1.907793,0.594184,0.000000,8.575478]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1319293.b3dm"}}}