{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950447,-0.310888,0.000000,0.000000,0.115083,-0.351830,0.928963,0.000000,-0.288536,0.882112,0.372324,0.000000,-1841178.038563,5628845.099175,2359928.777549,1],    "boundingVolume": {    "region": [1.886861,0.381460,1.886987,0.381563,0.000000,9.866174]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/10/15_66130.b3dm"}}}