{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949573,-0.313547,0.000000,0.000000,0.115722,-0.350461,0.929401,0.000000,-0.291143,0.881722,0.371218,0.000000,-1857807.696913,5626337.143906,2352913.361057,1],    "boundingVolume": {    "region": [1.889654,0.380229,1.889792,0.380411,0.000000,6.117553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_74780.b3dm"}}}