{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897974,-0.440048,0.000000,0.000000,0.281349,-0.574130,0.768907,0.000000,-0.337424,0.688558,0.641898,0.000000,-2155112.825733,4397784.916337,4072326.286509,1],    "boundingVolume": {    "region": [2.026402,0.696943,2.026495,0.696999,0.000000,49.472647]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_391966.b3dm"}}}