{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898468,-0.439038,0.000000,0.000000,0.283834,-0.580851,0.762923,0.000000,-0.334009,0.683533,0.649015,0.000000,-2133368.089132,4365825.670390,4117605.183005,1],    "boundingVolume": {    "region": [2.025274,0.706252,2.025375,0.706326,0.000000,17.966009]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1817844.b3dm"}}}