{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951000,-0.309191,0.000000,0.000000,0.172692,-0.531161,0.829485,0.000000,-0.255930,0.787182,0.561110,0.000000,-1634077.565483,5026052.941537,3558632.581063,1],    "boundingVolume": {    "region": [1.885065,0.595617,1.885211,0.595836,0.000000,8.809593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1421774.b3dm"}}}