{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895736,-0.444586,0.000000,0.000000,0.284158,-0.572513,0.769080,0.000000,-0.340981,0.686997,0.641690,0.000000,-2177828.013136,4387814.198997,4071005.896784,1],    "boundingVolume": {    "region": [2.031447,0.696641,2.031569,0.696759,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663688.b3dm"}}}