{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894968,-0.446131,0.000000,0.000000,0.284380,-0.570485,0.770503,0.000000,-0.342805,0.687688,0.639977,0.000000,-2189457.902699,4392193.876131,4060103.668107,1],    "boundingVolume": {    "region": [2.033167,0.694406,2.033301,0.694530,0.000000,27.879551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_979979.b3dm"}}}