{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948726,-0.316100,0.000000,0.000000,0.176469,-0.529643,0.829661,0.000000,-0.261705,0.785467,0.560849,0.000000,-1670950.677522,5015099.268810,3556974.302574,1],    "boundingVolume": {    "region": [1.892364,0.595300,1.892460,0.595523,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180690.b3dm"}}}