{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948873,-0.315659,0.000000,0.000000,0.176488,-0.530522,0.829095,0.000000,-0.261160,0.785047,0.561690,0.000000,-1667476.363688,5012436.367841,3562318.186915,1],    "boundingVolume": {    "region": [1.891879,0.596374,1.892016,0.596481,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113341.b3dm"}}}