{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898052,-0.439890,0.000000,0.000000,0.281258,-0.574200,0.768887,0.000000,-0.337294,0.688600,0.641921,0.000000,-2154283.134403,4398053.914880,4072473.779932,1],    "boundingVolume": {    "region": [2.026226,0.696973,2.026319,0.697030,0.000000,38.740004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_390900.b3dm"}}}