{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950473,-0.310807,0.000000,0.000000,0.173507,-0.530598,0.829675,0.000000,-0.257327,0.786927,0.560828,0.000000,-1642995.862857,5024422.565128,3556840.162940,1],    "boundingVolume": {    "region": [1.886788,0.595327,1.886888,0.595444,0.000000,8.760952]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1345218.b3dm"}}}