{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944018,-0.329894,0.000000,0.000000,0.184402,-0.527679,0.829187,0.000000,-0.272968,0.781118,0.561554,0.000000,-1742866.883938,4987347.261631,3561450.631217,1],    "boundingVolume": {    "region": [1.906940,0.596205,1.907036,0.596320,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268775.b3dm"}}}