{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858191,-0.513331,0.000000,0.000000,0.262682,-0.439155,0.859151,0.000000,-0.440250,0.736014,0.514260,0.000000,-2810464.192684,4698556.793139,3260953.860189,1],    "boundingVolume": {    "region": [2.109776,0.540083,2.109940,0.540208,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129901.b3dm"}}}