{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950019,-0.312192,0.000000,0.000000,0.174518,-0.531070,0.829161,0.000000,-0.258312,0.786059,0.561592,0.000000,-1649291.633136,5018895.331694,3561693.889463,1],    "boundingVolume": {    "region": [1.888210,0.596206,1.888381,0.596411,0.000000,11.281428]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1346836.b3dm"}}}