{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951210,-0.308545,0.000000,0.000000,0.115684,-0.356641,0.927051,0.000000,-0.285765,0.880983,0.377103,0.000000,-1823519.213385,5621709.301535,2390248.753773,1],    "boundingVolume": {    "region": [1.884377,0.386614,1.884541,0.386717,0.000000,54.868675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_21982.b3dm"}}}