{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951176,-0.308649,0.000000,0.000000,0.115723,-0.356628,0.927052,0.000000,-0.285862,0.880952,0.377102,0.000000,-1824136.407368,5621509.706033,2390247.254584,1],    "boundingVolume": {    "region": [1.884487,0.386614,1.884651,0.386717,0.000000,54.868675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_21983.b3dm"}}}