{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950536,-0.310614,0.000000,0.000000,0.173235,-0.530132,0.830030,0.000000,-0.257278,0.787319,0.560300,0.000000,-1642683.225223,5026915.550376,3553483.108730,1],    "boundingVolume": {    "region": [1.886544,0.594675,1.886726,0.594821,0.000000,8.408806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1375492.b3dm"}}}