{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949843,-0.312726,0.000000,0.000000,0.174796,-0.530909,0.829206,0.000000,-0.258769,0.785957,0.561525,0.000000,-1652205.738411,5018239.864419,3561269.693325,1],    "boundingVolume": {    "region": [1.888773,0.596125,1.888944,0.596330,0.000000,18.001226]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1437867.b3dm"}}}