{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949264,-0.314480,0.000000,0.000000,0.175869,-0.530866,0.829006,0.000000,-0.260156,0.785287,0.561821,0.000000,-1661066.057090,5013968.589408,3563151.017582,1],    "boundingVolume": {    "region": [1.890654,0.596575,1.890755,0.596597,0.000000,13.909362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/8_1418440.b3dm"}}}