{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949224,-0.314601,0.000000,0.000000,0.175438,-0.529337,0.830075,0.000000,-0.260594,0.786275,0.560234,0.000000,-1663856.154836,5020247.398338,3553061.955484,1],    "boundingVolume": {    "region": [1.890785,0.594573,1.890879,0.594763,0.000000,9.689076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/26_1380369.b3dm"}}}