{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898253,-0.439478,0.000000,0.000000,0.283756,-0.579971,0.763621,0.000000,-0.334652,0.683999,0.648192,0.000000,-2137466.695123,4368788.733697,4112368.806283,1],    "boundingVolume": {    "region": [2.025748,0.705096,2.025880,0.705319,0.000000,9.247769]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1844645.b3dm"}}}