{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898731,-0.438500,0.000000,0.000000,0.283835,-0.581735,0.762248,0.000000,-0.333303,0.683123,0.649809,0.000000,-2128861.411956,4363225.199849,4122656.913472,1],    "boundingVolume": {    "region": [2.024638,0.707279,2.024812,0.707388,0.000000,7.752046]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/29/17_1802883.b3dm"}}}