{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895799,-0.444460,0.000000,0.000000,0.284013,-0.572421,0.769202,0.000000,-0.340940,0.687155,0.641544,0.000000,-2177560.863956,4388819.624254,4070071.201417,1],    "boundingVolume": {    "region": [2.031307,0.696450,2.031429,0.696568,0.000000,25.293936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/1_645631.b3dm"}}}