{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950811,-0.309771,0.000000,0.000000,0.173017,-0.531059,0.829483,0.000000,-0.256409,0.787023,0.561114,0.000000,-1637139.244455,5025038.127851,3558658.339948,1],    "boundingVolume": {    "region": [1.885676,0.595622,1.885821,0.595841,0.000000,8.801387]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1340368.b3dm"}}}