{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898034,-0.439927,0.000000,0.000000,0.281326,-0.574277,0.768805,0.000000,-0.337286,0.688512,0.642020,0.000000,-2154233.525657,4397492.324688,4073102.186681,1],    "boundingVolume": {    "region": [2.026267,0.697102,2.026360,0.697158,0.000000,26.032370]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/7_391103.b3dm"}}}