{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949621,-0.313402,0.000000,0.000000,0.114681,-0.347488,0.930645,0.000000,-0.291402,0.882961,0.368056,0.000000,-1859447.280909,5634198.396883,2332856.192368,1],    "boundingVolume": {    "region": [1.889485,0.376793,1.889654,0.377042,0.000000,11.865272]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_22196.b3dm"}}}