{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949002,-0.315271,0.000000,0.000000,0.175964,-0.529670,0.829751,0.000000,-0.261047,0.785781,0.560716,0.000000,-1666750.105771,5017102.323290,3556125.990659,1],    "boundingVolume": {    "region": [1.891492,0.595155,1.891586,0.595345,0.000000,8.647582]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/30_1073289.b3dm"}}}