{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948629,-0.316391,0.000000,0.000000,0.176440,-0.529018,0.830066,0.000000,-0.262074,0.785774,0.560247,0.000000,-1673305.046585,5017045.724148,3553146.336097,1],    "boundingVolume": {    "region": [1.892670,0.594573,1.892766,0.594796,0.000000,8.795360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1215416.b3dm"}}}