{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949651,-0.313311,0.000000,0.000000,0.116074,-0.351823,0.928842,0.000000,-0.290746,0.881258,0.372628,0.000000,-1855282.463350,5623396.544280,2361858.260217,1],    "boundingVolume": {    "region": [1.889404,0.381789,1.889543,0.381889,0.000000,18.316293]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/19_64173.b3dm"}}}