{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898100,-0.439791,0.000000,0.000000,0.284385,-0.580745,0.762798,0.000000,-0.334527,0.683140,0.649162,0.000000,-2136674.150312,4363319.872947,4118540.635733,1],    "boundingVolume": {    "region": [2.026096,0.706371,2.026228,0.706594,0.000000,24.662203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1821958.b3dm"}}}