{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948824,-0.315807,0.000000,0.000000,0.176288,-0.529646,0.829697,0.000000,-0.261474,0.785583,0.560795,0.000000,-1669473.176438,5015836.867004,3556630.337703,1],    "boundingVolume": {    "region": [1.892055,0.595234,1.892151,0.595458,0.000000,8.749932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072988.b3dm"}}}