{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950979,-0.309254,0.000000,0.000000,0.116027,-0.356790,0.926951,0.000000,-0.286391,0.880674,0.377352,0.000000,-1827512.289179,5619735.730187,2391828.825275,1],    "boundingVolume": {    "region": [1.885123,0.386883,1.885287,0.386986,0.000000,7.987158]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/16_59219.b3dm"}}}