{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948635,-0.316372,0.000000,0.000000,0.176639,-0.529647,0.829622,0.000000,-0.261918,0.785355,0.560907,0.000000,-1672310.633917,5014384.708910,3557340.105686,1],    "boundingVolume": {    "region": [1.892651,0.595369,1.892747,0.595592,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1071640.b3dm"}}}