{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948940,-0.315456,0.000000,0.000000,0.116420,-0.350209,0.929409,0.000000,-0.292918,0.881142,0.371198,0.000000,-1869133.204514,5622638.020530,2352787.100093,1],    "boundingVolume": {    "region": [1.891679,0.380241,1.891788,0.380356,0.000000,39.146810]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/24_3681.b3dm"}}}