{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950223,-0.311571,0.000000,0.000000,0.174150,-0.531119,0.829207,0.000000,-0.257813,0.786272,0.561524,0.000000,-1646103.618623,5020251.880300,3561259.802006,1],    "boundingVolume": {    "region": [1.887573,0.596122,1.887711,0.596330,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1341880.b3dm"}}}