{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949437,-0.313957,0.000000,0.000000,0.175514,-0.530772,0.829142,0.000000,-0.259767,0.785560,0.561620,0.000000,-1658579.513459,5015704.987970,3561873.865612,1],    "boundingVolume": {    "region": [1.890105,0.596302,1.890204,0.596384,0.000000,13.162316]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1408882.b3dm"}}}