{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894970,-0.446127,0.000000,0.000000,0.284167,-0.570064,0.770893,0.000000,-0.342976,0.688041,0.639505,0.000000,-2190550.760670,4394438.203076,4057104.762156,1],    "boundingVolume": {    "region": [2.033162,0.693792,2.033296,0.693917,0.000000,10.125979]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_979820.b3dm"}}}