{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950007,-0.312228,0.000000,0.000000,0.174535,-0.531052,0.829169,0.000000,-0.258345,0.786057,0.561580,0.000000,-1649500.898013,5018880.501791,3561618.385625,1],    "boundingVolume": {    "region": [1.888249,0.596192,1.888420,0.596397,0.000000,17.053839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1441146.b3dm"}}}