{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898124,-0.439742,0.000000,0.000000,0.284458,-0.580973,0.762597,0.000000,-0.334401,0.682977,0.649399,0.000000,-2135873.329082,4362281.303317,4120045.762941,1],    "boundingVolume": {    "region": [2.026057,0.706756,2.026158,0.706831,0.000000,8.735859]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_1823645.b3dm"}}}