{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949020,-0.315217,0.000000,0.000000,0.176132,-0.530277,0.829327,0.000000,-0.260868,0.785391,0.561345,0.000000,-1665607.302283,5014625.765528,3560125.367909,1],    "boundingVolume": {    "region": [1.891413,0.595957,1.891550,0.596064,0.000000,13.419225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1068772.b3dm"}}}