{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949478,-0.313835,0.000000,0.000000,0.175431,-0.530752,0.829172,0.000000,-0.259675,0.785622,0.561575,0.000000,-1657992.265131,5016104.388799,3561586.747072,1],    "boundingVolume": {    "region": [1.889976,0.596247,1.890075,0.596329,0.000000,7.873460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1358363.b3dm"}}}