{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949173,-0.314755,0.000000,0.000000,0.175825,-0.530216,0.829432,0.000000,-0.260519,0.785618,0.561190,0.000000,-1663377.645414,5016071.074947,3559138.242788,1],    "boundingVolume": {    "region": [1.890926,0.595769,1.891063,0.595876,0.000000,9.935497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1362741.b3dm"}}}