{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949883,-0.312605,0.000000,0.000000,0.174711,-0.530877,0.829244,0.000000,-0.258680,0.786026,0.561469,0.000000,-1651640.255337,5018682.823172,3560910.194144,1],    "boundingVolume": {    "region": [1.888645,0.596057,1.888816,0.596262,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435290.b3dm"}}}