{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951015,-0.309143,0.000000,0.000000,0.115902,-0.356550,0.927059,0.000000,-0.286322,0.880811,0.377084,0.000000,-1827071.105637,5620607.842256,2390127.499209,1],    "boundingVolume": {    "region": [1.885007,0.386594,1.885170,0.386697,0.000000,13.140947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/13_60849.b3dm"}}}