{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950035,-0.312144,0.000000,0.000000,0.174228,-0.530278,0.829729,0.000000,-0.258451,0.786616,0.560748,0.000000,-1650173.784799,5022432.426685,3556331.375622,1],    "boundingVolume": {    "region": [1.888163,0.595224,1.888327,0.595355,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456772.b3dm"}}}