{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949482,-0.313820,0.000000,0.000000,0.175415,-0.530730,0.829190,0.000000,-0.259669,0.785643,0.561549,0.000000,-1657952.654048,5016234.099719,3561423.596453,1],    "boundingVolume": {    "region": [1.889961,0.596216,1.890060,0.596298,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444127.b3dm"}}}