{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949891,-0.312581,0.000000,0.000000,0.174726,-0.530969,0.829182,0.000000,-0.258641,0.785973,0.561561,0.000000,-1651389.360524,5018344.767119,3561498.973665,1],    "boundingVolume": {    "region": [1.888620,0.596169,1.888791,0.596374,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439972.b3dm"}}}