{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895810,-0.444437,0.000000,0.000000,0.288668,-0.581841,0.760350,0.000000,-0.336968,0.679194,0.652034,0.000000,-2152293.483620,4338171.030987,4136810.617773,1],    "boundingVolume": {    "region": [2.031253,0.710211,2.031432,0.710316,0.000000,18.811415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/15_1787444.b3dm"}}}