{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949031,-0.315182,0.000000,0.000000,0.176107,-0.530269,0.829338,0.000000,-0.260842,0.785411,0.561330,0.000000,-1665446.538638,5014750.184649,3560025.992893,1],    "boundingVolume": {    "region": [1.891376,0.595938,1.891514,0.596045,0.000000,13.419225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1068901.b3dm"}}}