{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949203,-0.314666,0.000000,0.000000,0.115958,-0.349791,0.929624,0.000000,-0.292253,0.881592,0.370654,0.000000,-1864884.292541,5625501.485691,2349334.672122,1],    "boundingVolume": {    "region": [1.890847,0.379655,1.890955,0.379770,0.000000,40.677654]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/19_75486.b3dm"}}}