{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950224,-0.311568,0.000000,0.000000,0.173876,-0.530290,0.829795,0.000000,-0.257995,0.786836,0.560650,0.000000,-1647260.175385,5023834.126442,3555706.454688,1],    "boundingVolume": {    "region": [1.887589,0.595112,1.887689,0.595229,0.000000,8.731559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1345850.b3dm"}}}