{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948648,-0.316334,0.000000,0.000000,0.176478,-0.529237,0.829918,0.000000,-0.261980,0.785648,0.560467,0.000000,-1672705.681624,5016250.304772,3554541.910602,1],    "boundingVolume": {    "region": [1.892611,0.594838,1.892706,0.595061,0.000000,8.656546]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1182126.b3dm"}}}