{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949232,-0.314577,0.000000,0.000000,0.115152,-0.347469,0.930594,0.000000,-0.292478,0.882551,0.368186,0.000000,-1866314.863595,5631584.405721,2333678.178289,1],    "boundingVolume": {    "region": [1.890745,0.377009,1.890869,0.377105,0.000000,71.490570]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_22727.b3dm"}}}