{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949611,-0.313430,0.000000,0.000000,0.175230,-0.530900,0.829120,0.000000,-0.259323,0.785683,0.561653,0.000000,-1655748.320966,5016491.021703,3562082.714217,1],    "boundingVolume": {    "region": [1.889550,0.596342,1.889648,0.596423,0.000000,12.399923]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/14_1409960.b3dm"}}}