{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948894,-0.315594,0.000000,0.000000,0.176064,-0.529372,0.829920,0.000000,-0.261368,0.785854,0.560465,0.000000,-1668796.298239,5017561.486427,3554528.925012,1],    "boundingVolume": {    "region": [1.891831,0.594851,1.891926,0.595042,0.000000,20.078921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/28_1178186.b3dm"}}}