{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950217,-0.311590,0.000000,0.000000,0.174151,-0.531087,0.829227,0.000000,-0.257835,0.786286,0.561493,0.000000,-1646245.418449,5020343.110572,3561066.943213,1],    "boundingVolume": {    "region": [1.887593,0.596085,1.887731,0.596294,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432117.b3dm"}}}