{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895643,-0.444774,0.000000,0.000000,0.284217,-0.572330,0.769194,0.000000,-0.341177,0.687028,0.641553,0.000000,-2179075.417699,4388011.136672,4070131.920758,1],    "boundingVolume": {    "region": [2.031658,0.696462,2.031779,0.696580,0.000000,48.494249]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_686863.b3dm"}}}