{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948820,-0.315817,0.000000,0.000000,0.176299,-0.529662,0.829685,0.000000,-0.261478,0.785568,0.560814,0.000000,-1669503.447458,5015742.704068,3556748.127281,1],    "boundingVolume": {    "region": [1.892066,0.595257,1.892162,0.595480,0.000000,8.792748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180230.b3dm"}}}