{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950721,-0.310046,0.000000,0.000000,0.171867,-0.527011,0.832299,0.000000,-0.257517,0.789645,0.556907,0.000000,-1644184.029021,5041701.547767,3531920.774989,1],    "boundingVolume": {    "region": [1.885953,0.590596,1.886123,0.590719,0.000000,6.600741]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/19_1322332.b3dm"}}}