{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898203,-0.439582,0.000000,0.000000,0.283794,-0.579879,0.763676,0.000000,-0.334756,0.684011,0.648126,0.000000,-2138129.050258,4368862.595642,4111948.824441,1],    "boundingVolume": {    "region": [2.025863,0.705010,2.025996,0.705232,0.000000,9.247769]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1844552.b3dm"}}}