{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950454,-0.310865,0.000000,0.000000,0.173848,-0.531530,0.829007,0.000000,-0.257166,0.786272,0.561820,0.000000,-1641974.708305,5020257.397126,3563144.910452,1],    "boundingVolume": {    "region": [1.886850,0.596535,1.886948,0.596634,0.000000,13.011761]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1391743.b3dm"}}}