{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948644,-0.316346,0.000000,0.000000,0.176624,-0.529653,0.829622,0.000000,-0.261896,0.785362,0.560908,0.000000,-1672169.700922,5014427.560312,3557345.913458,1],    "boundingVolume": {    "region": [1.892623,0.595370,1.892719,0.595594,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1187885.b3dm"}}}