{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950858,-0.309628,0.000000,0.000000,0.172993,-0.531255,0.829362,0.000000,-0.256254,0.786946,0.561293,0.000000,-1636146.537087,5024549.716885,3559796.667404,1],    "boundingVolume": {    "region": [1.885526,0.595838,1.885671,0.596058,0.000000,8.806392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422227.b3dm"}}}