{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949621,-0.313400,0.000000,0.000000,0.175170,-0.530776,0.829212,0.000000,-0.259328,0.785779,0.561516,0.000000,-1655778.592016,5017102.362441,3561213.390007,1],    "boundingVolume": {    "region": [1.889519,0.596176,1.889618,0.596258,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443491.b3dm"}}}