{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898010,-0.439976,0.000000,0.000000,0.284397,-0.580466,0.763006,0.000000,-0.334759,0.683259,0.648917,0.000000,-2138157.594140,4364073.988476,4116981.970233,1],    "boundingVolume": {    "region": [2.026302,0.706049,2.026434,0.706272,0.000000,7.399498]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820383.b3dm"}}}