{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896298,-0.443452,0.000000,0.000000,0.283784,-0.573579,0.768423,0.000000,-0.339819,0.686837,0.642478,0.000000,-2170415.893945,4386804.373785,4076015.759191,1],    "boundingVolume": {    "region": [2.030177,0.697668,2.030310,0.697787,0.000000,53.211031]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_543273.b3dm"}}}