{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950355,-0.311167,0.000000,0.000000,0.173850,-0.530969,0.829366,0.000000,-0.257528,0.786534,0.561287,0.000000,-1644283.363632,5021920.416390,3559758.006955,1],    "boundingVolume": {    "region": [1.887167,0.595882,1.887266,0.595999,0.000000,8.690726]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1342918.b3dm"}}}