{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894662,-0.446744,0.000000,0.000000,0.284619,-0.569984,0.770785,0.000000,-0.343403,0.687707,0.639635,0.000000,-2193276.229507,4392309.733518,4057931.514532,1],    "boundingVolume": {    "region": [2.033853,0.693961,2.033986,0.694086,0.000000,47.612879]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_985392.b3dm"}}}