{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948633,-0.316378,0.000000,0.000000,0.176505,-0.529235,0.829913,0.000000,-0.262015,0.785632,0.560474,0.000000,-1672929.394915,5016143.751620,3554586.694500,1],    "boundingVolume": {    "region": [1.892657,0.594846,1.892753,0.595069,0.000000,8.705799]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1182159.b3dm"}}}