{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949681,-0.313220,0.000000,0.000000,0.174711,-0.529722,0.829983,0.000000,-0.259422,0.786565,0.560371,0.000000,-1656371.647740,5022101.255369,3553933.134156,1],    "boundingVolume": {    "region": [1.889297,0.594701,1.889459,0.594966,0.000000,8.782894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376191.b3dm"}}}