{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948990,-0.315305,0.000000,0.000000,0.175863,-0.529304,0.830005,0.000000,-0.261156,0.786016,0.560337,0.000000,-1667440.740718,5018591.788575,3553715.944798,1],    "boundingVolume": {    "region": [1.891527,0.594697,1.891621,0.594888,0.000000,18.582169]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/27_1213356.b3dm"}}}