{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949654,-0.313300,0.000000,0.000000,0.175118,-0.530805,0.829204,0.000000,-0.259243,0.785799,0.561527,0.000000,-1655233.673221,5017231.758102,3561283.933701,1],    "boundingVolume": {    "region": [1.889413,0.596190,1.889512,0.596272,0.000000,14.528207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/12_1443654.b3dm"}}}