{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896992,-0.442047,0.000000,0.000000,0.287272,-0.582926,0.760047,0.000000,-0.335021,0.679817,0.652387,0.000000,-2139863.059806,4342159.042551,4139059.401502,1],    "boundingVolume": {    "region": [2.028586,0.710677,2.028766,0.710782,0.000000,25.128487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/20_1780930.b3dm"}}}