{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949061,-0.315093,0.000000,0.000000,0.115772,-0.348707,0.930054,0.000000,-0.292786,0.881873,0.369563,0.000000,-1868282.748062,5627279.545186,2342412.679027,1],    "boundingVolume": {    "region": [1.891298,0.378503,1.891403,0.378573,0.000000,49.128017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/15_9553.b3dm"}}}