{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871338,-0.490684,0.000000,0.000000,0.211835,-0.376170,0.902010,0.000000,-0.442045,0.784967,0.434078,0.000000,-2821202.973495,5009786.118966,2751809.202512,1],    "boundingVolume": {    "region": [2.083614,0.448974,2.083727,0.449055,0.000000,59.299828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_222727.b3dm"}}}