{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950371,-0.311118,0.000000,0.000000,0.174005,-0.531533,0.828972,0.000000,-0.257364,0.786171,0.561871,0.000000,-1643241.642808,5019610.374249,3563470.204626,1],    "boundingVolume": {    "region": [1.887116,0.596597,1.887214,0.596696,0.000000,8.818831]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1399589.b3dm"}}}