{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896697,-0.442646,0.000000,0.000000,0.287522,-0.582453,0.760315,0.000000,-0.335594,0.679835,0.652074,0.000000,-2143517.496427,4342266.460265,4137068.715843,1],    "boundingVolume": {    "region": [2.029254,0.710265,2.029433,0.710369,0.000000,6.573632]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/15_1782424.b3dm"}}}