{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949625,-0.313388,0.000000,0.000000,0.175166,-0.530788,0.829205,0.000000,-0.259315,0.785776,0.561527,0.000000,-1655695.985339,5017082.158928,3561279.811595,1],    "boundingVolume": {    "region": [1.889505,0.596189,1.889604,0.596271,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443638.b3dm"}}}