{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948892,-0.315602,0.000000,0.000000,0.176263,-0.529956,0.829505,0.000000,-0.261243,0.785455,0.561081,0.000000,-1667999.519605,5015028.208358,3558449.376851,1],    "boundingVolume": {    "region": [1.891818,0.595639,1.891956,0.595745,0.000000,8.097986]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1070339.b3dm"}}}