{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949884,-0.312602,0.000000,0.000000,0.174613,-0.530585,0.829451,0.000000,-0.258743,0.786226,0.561161,0.000000,-1652037.497322,5019949.075429,3558953.707425,1],    "boundingVolume": {    "region": [1.888651,0.595703,1.888804,0.595872,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1353351.b3dm"}}}