{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949766,-0.312960,0.000000,0.000000,0.174838,-0.530595,0.829398,0.000000,-0.259022,0.786077,0.561240,0.000000,-1653824.022617,5018999.510073,3559459.768855,1],    "boundingVolume": {    "region": [1.889028,0.595800,1.889181,0.595968,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1351933.b3dm"}}}