{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895739,-0.444581,0.000000,0.000000,0.284183,-0.572570,0.769028,0.000000,-0.340954,0.686952,0.641753,0.000000,-2177657.146334,4387528.970141,4071402.026654,1],    "boundingVolume": {    "region": [2.031442,0.696723,2.031563,0.696841,0.000000,24.399321]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_663508.b3dm"}}}