{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943965,-0.330045,0.000000,0.000000,0.184352,-0.527269,0.829459,0.000000,-0.273183,0.781334,0.561150,0.000000,-1744236.946951,4988713.530822,3558882.730458,1],    "boundingVolume": {    "region": [1.907100,0.595717,1.907195,0.595832,0.000000,8.803622]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1297787.b3dm"}}}