{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898021,-0.439953,0.000000,0.000000,0.281240,-0.574060,0.768999,0.000000,-0.337393,0.688677,0.641787,0.000000,-2154909.250435,4398542.081487,4071620.959547,1],    "boundingVolume": {    "region": [2.026296,0.696798,2.026389,0.696855,0.000000,23.336062]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_750650.b3dm"}}}