{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943849,-0.330378,0.000000,0.000000,0.184524,-0.527161,0.829489,0.000000,-0.273469,0.781266,0.561104,0.000000,-1746064.284944,4988281.391712,3558594.331026,1],    "boundingVolume": {    "region": [1.907453,0.595662,1.907549,0.595777,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1273207.b3dm"}}}