{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949610,-0.313435,0.000000,0.000000,0.175044,-0.530328,0.829525,0.000000,-0.259456,0.786069,0.561051,0.000000,-1656590.481956,5018946.245806,3558256.330219,1],    "boundingVolume": {    "region": [1.889555,0.595614,1.889654,0.595696,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366079.b3dm"}}}